Metabolite_name	RefMet_name	2831	2891	6541	5111	6914	6924	6991	7011	7021	7022	7001	7002	7003	7004	7005
Factors	-	diabetes:db/db | time of day:ZT17	diabetes:db/db | time of day:ZT17	diabetes:db/db | time of day:ZT17	diabetes:db/db | time of day:ZT5	diabetes:db/db | time of day:ZT5	diabetes:db/db | time of day:ZT5	diabetes:db/db | time of day:ZT5	diabetes:db/m | time of day:ZT17	diabetes:db/m | time of day:ZT17	diabetes:db/m | time of day:ZT17	diabetes:db/m | time of day:ZT5	diabetes:db/m | time of day:ZT5	diabetes:db/m | time of day:ZT5	diabetes:db/m | time of day:ZT5	diabetes:db/m | time of day:ZT5
1-methyl-4-imidazoleacetate	Methylimidazoleacetic acid	1.0639	0.7987	1.4668	1.9729	1.5314	1.4256	2.0367	0.8762	0.6480	0.7284	0.6058	0.5767	0.6142	0.5935	0.5504
1-methylhistamine	1-Methylhistamine	2.3370	1.7718	1.7496	1.3387	0.8146	1.9028	1.2277	1.6913	1.4421	1.6121	0.4365	0.4395	0.7568	0.9537	1.3436
1-methylnicotinamide	1-Methyl nicotinamide	0.8632	2.3461	1.5696	0.6316	1.1745	1.9772	0.4759	0.3731	0.7234	0.6584	0.7141	0.8753	0.8098	0.0576	0.0407
1-ribosyl-imidazoleacetate	Imidazoleacetic acid riboside	1.4402	0.8465	1.2859	0.5668	0.9202	1.1342	0.6298	1.7846	1.3383	1.6327	1.0170	1.0268	0.9830	0.8660	0.7231
2-aminobutyrate	2-Aminobutyric acid	1.3155	0.7813	0.8457	0.5466	1.0135	0.7339	1.1060	1.0781	1.0747	1.4415	0.9949	1.0828	0.8148	0.7050	0.7935
2-aminoheptanoate	2-Aminoheptanoic acid	1.1890	2.0817	1.2083	2.4349	1.9070	0.5031	3.0589	0.8200	1.1158	0.5939	0.6819	0.6275	0.7811	0.8370	0.7568
2-butenoylglycine	2-Butenoylglycine	0.5318	1.0130	0.8014	0.4147	0.7453	0.5275	0.9870	0.9615	1.0407	1.1194	1.5446	1.4318	1.2033	0.7831	0.8567
2^-deoxycytidine	Deoxycytidine	0.6633	0.6499	1.2189	0.8142	0.8306	0.6824	0.0936	1.7678	1.4406	1.3902	1.6660	1.4943	1.6705	1.2785	1.2610
2-hydroxyglutarate	2-Hydroxyglutaric acid	0.7922	0.9044	0.9674	1.5711	0.8402	1.1071	0.9792	0.9439	1.0528	0.9673	0.8174	0.7962	0.8208	1.0279	1.2616
2-methylbutyrylcarnitine (C5)	CAR 4:0;2Me	1.5064	1.5185	1.6145	0.8825	0.8050	0.9302	0.9548	1.8403	1.1469	1.5771	1.1903	1.9371	1.1448	1.6555	1.8780
2^-O-methylcytidine	2'-O-Methylcytidine	1.1569	0.5560	0.2967	1.7816	0.9856	0.6901	8.6389	1.0412	0.8142	1.1405	1.0277	0.7701	0.9753	1.8301	2.1904
2-oxoarginine	2-Oxoarginine	1.2970	0.8611	1.1120	0.9455	0.6093	0.7566	0.8903	1.1220	1.5430	1.7290	1.2639	1.2963	1.4443	1.5411	1.5680
3-hydroxybutyrylcarnitine (1)	CAR 4:0;3OH	1.0557	1.6061	0.6832	0.4821	1.0052	1.6106	0.6493	0.6620	0.5154	0.7678	0.9630	0.6806	0.4143	0.3376	0.3578
3-hydroxybutyrylcarnitine (2)	CAR 4:0;3OH	1.4354	1.1321	0.9808	0.6865	0.6608	2.3831	0.9061	0.9819	0.6604	1.0589	0.9820	0.9375	0.8773	0.3782	0.4431
3-methoxytyrosine	3-Methoxytyrosine	0.7452	0.4577	0.2618	0.2618	0.7580	0.2618	1.1930	1.1016	1.0684	0.9145	0.5937	1.0140	0.4551	1.5940	0.9836
3-methylcrotonylglycine	3-Methylcrotonylglycine	1.1677	1.5917	0.9859	0.4194	0.6010	0.6030	0.3134	0.8980	1.0929	1.6145	1.3766	2.4993	1.0773	0.6422	0.8399
3-methylcytidine	3-Methylcytidine	0.4516	0.6144	1.3308	3.0727	2.5370	0.6770	0.4516	1.6400	1.5985	1.0519	0.4516	0.4516	0.9447	1.9605	1.5714
3-ureidopropionate	Ureidopropionic acid	1.2541	0.6088	1.9174	2.8504	0.9391	1.0923	1.3317	0.8973	1.4063	1.7922	1.1508	1.2336	0.9691	0.6683	0.9356
4-acetamidobutanoate	4-Acetamidobutanoic acid	1.4332	0.8681	1.1551	0.6085	1.2202	1.0035	1.1508	0.9965	0.9714	1.2598	0.8631	0.7453	0.3898	0.8577	0.7131
4-guanidinobutanoate	4-Guanidinobutanoic acid	1.5342	1.4500	2.0092	1.3583	1.2384	2.2989	1.1082	0.8570	1.1130	1.0748	0.4030	0.3682	0.6640	1.4397	1.2668
4-hydroxybutyrate (GHB)	4-Hydroxybutyric acid	1.5053	0.9321	0.8406	0.6820	0.9287	1.6669	4.2999	0.4628	0.4628	0.6387	1.0316	1	0.8947	0.6710	1.3513
4-imidazoleacetate	Imidazoleacetic acid	1.2928	1.1333	1.2285	0.9116	0.8679	1.3386	0.7462	1.0074	0.9848	1.3348	0.6180	0.6698	0.7203	1.2462	1.2214
5-aminovalerate	5-Aminopentanoic acid	0.3338	1.0569	0.8162	0.3390	0.7068	0.3338	2.0185	0.4345	0.5324	1.8275	0.4936	0.9456	1.1280	0.3338	1.1798
5-hydroxylysine	5-Hydroxylysine	1.2162	0.9153	1.8295	2.0400	0.7612	0.4241	2.5460	1.4708	1.7794	0.8497	0.7973	0.8977	1.0470	1.3468	1.3804
5-methyl-2^-deoxycytidine	5-Methyl-2'-deoxycytidine	0.9635	0.6053	1.5308	1.1296	1.2626	1.0810	0.2752	1.2423	1.1415	0.8903	1.2176	1.4167	1.1211	1.5542	1.2301
5-methylcytidine	5-Methylcytidine	0.4917	0.5009	0.5552	0.8545	1.0892	0.5867	0.1274	1.5839	0.7046	0.8561	1.2656	1.2840	1.0133	1.2831	1.5157
5-methylthioadenosine (MTA)	5'-Methylthioadenosine	1.1186	1.5178	1.7883	0.6695	0.6161	1.1072	1.4625	1.6652	1.8923	1.8543	0.5433	0.6704	0.8839	1.2871	1.1649
5-methylthioribose	5-Methylthioribose	0.7449	0.7117	0.8896	1.4096	0.9034	0.5556	0.6408	2.5961	1.7023	1.7799	3.0744	3.1305	1.4731	1.3816	1.4269
7-methylguanine	7-Methylguanine	0.6414	0.5128	1.2667	1.1506	0.7237	0.7907	4.0976	1.1702	1.2121	0.9186	1.1549	1.1704	0.8834	1.2331	1.0016
acetylcarnitine (C2)	CAR 2:0	1.0712	1.0094	0.9954	0.8715	0.9443	1.2057	1.0621	1.1728	1.1466	1.1808	0.8975	0.8697	0.9632	0.9671	0.9917
adenine	Adenine	1.4476	1.8110	2.5695	0.9748	0.9783	0.6200	0.8793	1.5705	1.7199	1.6034	0.8146	0.2724	0.4631	1.0287	0.7967
adenosine 5^-monophosphate (AMP)	AMP	1.1748	0.9857	1.5560	2.2224	1.4980	0.3978	0.9935	1.0065	1.5113	7.4069	0.4979	0.4811	4.6440	1.0139	1.5197
adipoylcarnitine (C6-DC)	CAR DC5:0	0.8118	0.6178	1.3786	1.6215	0.4156	1.0172	0.5539	0.8802	0.6784	0.6749	2.1049	1.3353	1.1479	0.6832	0.7987
anserine	Anserine	0.2227	0.4546	0.4314	0.8028	0.2437	3.6793	0.2865	1.3299	1.2247	1.3071	3.5935	8.7341	6.8059	1.0513	1.2311
anthranilate	2-Aminobenzoic acid	1.0835	0.9349	1.1486	0.5012	0.9738	0.9991	1.4729	1.0069	1.4391	1.0173	0.6111	1	0.6835	0.8979	0.9575
argininate	Argininic acid	1.1742	1.3202	2.2457	0.2984	1.1374	1.7920	0.2046	1.3600	1.9447	1.8824	0.7244	0.4567	0.9669	0.7485	0.8050
arginine	Arginine	0.9670	0.7187	0.6274	0.7444	0.2836	0.2065	2.3228	1.1925	1.4407	1.4134	1.5046	1.7397	2.0600	1.6946	1.7408
argininosuccinate	Argininosuccinic acid	0.4941	0.6848	0.1811	0.9533	0.1236	0.3463	5.1596	0.6642	1.1373	1	1.1855	1.2574	1.6337	1.6006	1.8592
asparagine	Asparagine	1.1057	0.7907	1.1288	0.5860	1	0.5969	1.8192	0.8930	1.2380	1.4129	1	1.0967	0.9931	1.2113	1.1082
aspartate	Aspartic acid	1.4186	1.0460	1.0241	0.8650	0.7587	1.8336	2.2438	1.3077	0.9946	1.1297	0.9242	0.9444	1.4423	1.0200	1.8568
beta-alanine	beta-Alanine	0.7182	0.5259	0.4206	0.8195	0.8802	0.8497	1.3048	1.4559	1.0120	1.4366	1.0512	1.1144	0.8314	1.4338	1.7021
betaine	Betaine	0.8401	0.6178	0.7485	0.4953	0.7368	1.0088	1.3993	1.3279	1.3554	1.2209	0.6646	0.7594	0.7848	1.6365	1.1864
biotin	Biotin	1.0076	1.2466	0.8814	0.4015	0.9527	0.8282	1.1382	0.9818	1.1521	1.5755	1.1542	0.4015	0.4015	0.4015	0.4015
butyrylcarnitine (C4)	CAR 4:0	3.0254	2.0411	4.3238	4.6902	1.2236	1.6941	1.8767	1.3052	0.8094	0.7495	0.4742	0.4744	0.7187	1.1078	0.9130
carboxyethyl-GABA	N-Carboxyethyl-gamma-aminobutyric acid	1.3653	1.4265	1.2303	0.9999	1.2201	2.6333	0.9125	0.6969	0.6408	0.9211	0.6251	0.9519	0.6561	0.9295	1.1208
carnitine	Carnitine	1.0769	1.1768	1.4946	1.1257	0.8873	0.9001	0.5537	1.5173	1.4533	1.3226	0.8222	0.8953	0.9008	1.0645	1.0390
carnosine	Carnosine	0.4524	0.5672	0.4304	0.6613	0.2970	2.0212	0.5176	1.1444	0.9962	1.2605	2.0467	5.5070	3.9593	0.7849	0.9849
choline	Choline	0.8792	0.7623	0.7713	1.2636	1.2299	1.5921	1.7201	0.7117	0.6010	0.6105	1.0003	1.0542	1.1445	1.3145	1.4527
choline phosphate	Choline phosphate	0.7178	1.0812	0.6053	1.1122	0.1756	3.9378	1.1819	1.1034	1.0931	1.4471	1.1466	0.9152	1.0511	0.6085	0.7164
citrulline	Citrulline	1.0983	1.0999	1.1573	1.0100	1.1881	1.2322	1.1279	0.8423	1.1079	1.0042	0.7826	0.7693	0.8318	1.0043	1.1126
creatine	Creatine	0.8682	0.7718	0.6965	1.1072	0.7164	1.7749	0.9921	0.9553	1.0079	1.1800	1.0963	1.5161	1.1872	0.7484	0.7620
creatinine	Creatinine	0.6259	0.7553	0.9003	1.0976	0.7839	1.0939	0.8654	1.0076	0.9971	0.9748	1.2029	1.4234	1.1455	0.9348	0.9219
cystathionine	Cystathionine	0.8597	0.3768	1.0480	0.5324	0.6520	1.1456	0.6171	2.1669	1.9905	2.4624	1.5297	2.9764	1.1201	1.0962	0.9991
cysteine	Cysteine	0.3189	0.5288	0.4481	0.7973	0.9324	2.0213	1.6129	0.7416	1.0417	0.9583	4.0147	4.8944	4.3072	1.1169	1.0581
cysteine-glutathione disulfide	S-Glutathionyl-cysteine	0.8122	0.8605	0.6405	1.7459	0.7425	1.3092	0.9412	0.9049	0.8994	1.1500	1.9856	2.0456	2.0300	0.5403	0.6861
cysteine sulfinic acid	3-Sulfino-alanine	0.3496	0.3784	1.4824	0.3496	0.8540	0.3496	0.3681	0.8431	1.2669	1	0.5839	0.4218	0.3496	1.4084	1.5154
cysteinylglycine disulfide	Cysteinylglycine disulfide	1.6546	0.6509	0.6833	5.3129	0.6599	0.3296	5.3296	1.2107	0.9956	1.3779	0.8141	1.0785	0.3296	0.8081	0.6675
cytidine	Cytidine	1.0541	0.6120	0.7243	0.4966	0.9573	0.8182	0.4341	1.3011	0.6752	0.6205	1.0427	0.9007	0.8049	0.9334	1.2065
cytidine 5^-monophosphate (5^-CMP)	CMP	1.2723	1.0286	0.3848	0.3331	0.1732	0.9916	0.5646	1.8459	2.0936	2.5613	1.5100	1.6526	2.1650	0.4304	1.3793
cytosine	Cytosine	0.4807	0.3744	0.6824	0.3065	0.7389	0.5733	3.6375	0.3525	1.1696	1.0582	0.6824	0.6305	0.9013	0.9418	0.7234
deoxycarnitine	3-Dehydroxycarnitine	1.2612	1.0358	0.8418	0.8201	0.5196	1.1642	1.3341	1.2108	0.9694	1.1768	1.0721	1.2139	1.3909	1.1641	1.3804
dimethylarginine (SDMA + ADMA)	Dimethylarginine	0.8379	0.7775	1.0670	1.1933	1.0436	0.8966	4.1325	0.9061	0.8952	0.8052	0.8613	1.1031	1.0286	1.4340	1.4442
dimethylglycine	Dimethylglycine	1.0015	0.8418	1.6584	1.0669	0.9985	1.2674	1.5406	1.1833	1.5111	1.4085	0.6668	0.8146	0.7123	0.9760	0.8874
dimethyl sulfone	Dimethyl sulfone	1.4924	1.9158	1.0603	1.3983	2.2027	0.9908	1.3161	1.3648	0.7608	0.5426	0.5465	0.5410	0.6502	0.6514	0.9551
ergothioneine	Ergothioneine	1.2674	1.6310	0.6327	0.9028	0.6190	2.1208	0.4683	0.9238	0.8601	0.7986	1.8950	2.1888	3.2717	0.6320	0.7657
formiminoglutamate	Formiminoglutamic acid	1.2761	1.9966	2.1020	2.3977	5.1606	7.1191	1.3161	0.2200	0.5152	0.4326	0.4278	0.7049	0.5791	0.2525	0.2400
gamma-glutamyl-alpha-lysine	gamma-Glutamyllysine	0.7359	0.4573	1.5228	1.0520	0.8062	1.0600	1.1488	1.6921	1.8700	1.2531	0.9019	1.0767	1.0886	2.5855	2.5924
gamma-glutamylcitrulline		1.7157	0.9213	2.4788	1.4150	2.6667	0.0262	1.0392	1.3680	1.2242	0.8876	0.7258	0.5349	0.4827	1.7990	1.2806
gamma-glutamyl-epsilon-lysine	Epsilon-(gamma-Glutamyl)-lysine	0.3452	0.3944	0.1505	1.0485	0.6620	0.9272	0.4211	3.8623	2.8081	2.7878	1.8701	4.5591	2.8288	3.3535	3.5200
gamma-glutamylglutamate	gamma-Glutamylglutamic acid	0.9737	0.8329	0.9910	3.1845	0.9353	2.2657	1.0273	1.6455	0.9553	0.9286	1.0161	0.9913	1.2721	1.8138	2.2216
gamma-glutamylglutamine	gamma-Glutamylglutamine	1.3676	0.7566	1.6487	1.7547	1.5811	0.0682	0.7850	1.4851	1.2001	0.9745	0.9409	0.7106	0.6934	1.5662	1.1142
gamma-glutamylglycine	gamma-Glutamylglycine	0.6672	0.7354	0.8397	1.0851	0.9769	1.2670	1.0254	1.4885	1.7711	1.2738	0.9258	1.0115	0.9844	1.9991	2.2285
gamma-glutamylhistidine	gamma-Glutamylhistidine	1.6240	0.8055	1.5778	1.3093	1.3577	1.3263	0.7077	1.9630	2.3193	1.7155	0.9125	0.9332	1.0064	1.5288	1.1191
gamma-glutamylisoleucine	gamma-Glutamylisoleucine	1.2125	1.3626	1.4051	0.6945	1.3723	1.3722	0.9506	0.9951	1.5653	1.6903	0.8158	1.0739	0.8647	1.1776	1.3442
gamma-glutamylleucine	gamma-Glutamylleucine	2.7915	1.9980	2.2246	1.0571	1.9056	2.1363	1.4185	1.0656	2.0076	1.7474	0.6148	0.6853	0.8490	1.8026	1.6424
gamma-glutamylmethionine	gamma-Glutamylmethionine	1.5463	0.5921	2.2912	0.3110	1.7082	0.1030	1.7106	3.0076	3.7323	2.6496	0.6677	0.5540	0.3483	4.7793	1.7320
gamma-glutamylphenylalanine	gamma-Glutamylphenylalanine	1.5602	0.9923	2.0377	1.0256	1.3860	1.4460	1.5537	1.2596	1.8038	1.3089	0.5900	0.6858	0.8520	1.7841	1.5609
gamma-glutamyltryptophan	gamma-Glutamyltryptophan	1.6513	0.9215	1.7773	2.4488	1.4647	1.6853	1.1526	1.2546	1.2670	0.9783	0.7177	0.7053	0.9118	1.3063	1.2501
gamma-glutamyltyrosine	gamma-Glutamyltyrosine	0.9398	0.6634	1.8548	0.6234	1.0581	1.6136	1.4210	1.5523	2.1525	1.7275	0.5825	1.0055	0.8378	2.3069	2.3054
gamma-glutamylvaline	gamma-Glutamylvaline	1.2457	1.2119	1.3207	0.9727	1.0105	1.4435	0.7853	1.2563	1.5835	1.5187	0.7556	1.0851	0.9895	1.4401	1.7802
glutamate	Glutamic acid	1.2146	1.0170	0.9130	1.2344	0.9110	1.8872	1.4062	0.8959	0.8109	0.8506	1.1131	1.1240	1.5675	1.1705	1.6021
glutamine	Glutamine	1.0566	1.1156	1.0066	1.2144	0.9366	0.8528	0.9643	1.0133	0.9800	0.9218	0.8630	0.7912	0.9158	1.0201	0.9727
glutarylcarnitine (C5-DC)	CAR DC5:0	0.6993	0.9872	0.4496	2.8656	0.4496	2.4024	0.8606	1	0.7903	0.7882	1.4400	0.9610	0.4496	0.4496	0.7122
glutathione_ oxidized (GSSG)	Oxidized glutathione	0.7678	1.1148	0.6669	2.2592	0.7139	5.0449	0.2853	0.5050	0.5952	0.5490	2.0331	1.8514	4.8161	0.5583	0.6551
glycerol 3-phosphate	sn-Glycero-3-phosphate	0.6334	0.7942	0.7572	1.8641	0.9020	2.2728	2.3302	0.6847	0.4359	0.3772	0.9845	0.8367	1.0956	1.7801	1.5364
glycerophosphoethanolamine	sn-Glycero-3-phosphoethanolamine	1.0695	0.8819	0.8399	1.5682	0.9269	1.4315	1.1089	0.6441	0.6987	0.5899	1.0154	1.0935	1.3196	1.2451	1.3517
glycerophosphorylcholine (GPC)	sn-Glycero-3-phosphocholine	1.3020	0.8910	1.0062	1.1014	1.2838	1.4551	0.8772	0.7307	0.6441	0.5114	0.9696	0.9938	1.1303	1.3484	1.4903
glycerophosphoserine	sn-Glycero-3-phosphoserine	0.6514	0.8114	0.6411	1.2152	1.3466	3.0328	0.6743	0.4979	0.6274	0.5617	0.7742	0.8949	1.4439	1.0654	2.0424
glycine	Glycine	0.7388	0.7726	0.6404	0.5208	0.7472	0.8562	1.1725	0.9950	1.1170	1.1172	0.8708	1.1029	0.9127	1.2139	1.3531
guanidinosuccinate	Guanidinosuccinic acid	0.3176	1.1172	2.2240	2.9514	0.3176	1.4166	0.7678	0.3176	0.3176	0.3176	0.3176	0.6198	0.4954	0.3176	0.3176
guanosine	Guanosine	1	0.2543	0.1892	0.1892	0.1892	0.1892	0.7867	52.4778	68.8178	93.6608	0.1892	0.1892	0.1892	4.8066	5.5688
guanosine 5^- monophosphate (5^-GMP)	GMP	0.0368	0.0368	0.0368	0.0368	0.0368	0.0368	0.0368	0.1520	1	2.3487	0.0368	0.0368	2.7527	0.0368	0.0368
hexanoylcarnitine (C6)	CAR 6:0	0.7526	0.9947	0.8491	1.7088	1.0935	1.0794	0.9388	2.6272	0.5366	0.5911	0.8757	0.7327	1.0464	0.9491	1.0852
histamine	Histamine	2.1301	6.8390	2.8769	3.1040	0.3763	2.4426	1.1182	1.3790	1.3963	1.8200	0.6793	0.7067	1.0738	0.4050	0.8570
histidine betaine (hercynine)	Hercynine	1.6827	0.9859	0.5698	4.5139	2.7105	1.8452	0.1585	0.8485	0.7487	0.8363	0.6128	0.8606	1.8896	7.4076	8.5761
homoarginine	Homoarginine	0.6199	0.4260	0.3662	0.4999	0.2773	0.2549	1.1481	1.1084	1.1776	1.0804	1.0368	1.5298	1.1018	1.4546	2.2480
homocitrulline	Homocitrulline	1.6298	0.8803	1.6081	3.5002	2.0745	1.6461	2.4142	0.5904	1.8172	1.8291	0.7243	0.8794	0.6955	1.3561	1.3605
homostachydrine	(S)-Homostachydrine	0.4815	0.2696	1.4427	0.2027	0.8524	1.0154	0.9846	1.7179	2.1004	1.6017	0.9058	1.1702	0.8868	2.0768	1.2105
hydroxyasparagine	Hydroxyasparagine	0.3748	0.7543	1.4381	2.5785	1.0188	0.8465	0.5627	1.3059	0.9584	0.7686	1.0198	1.0980	0.8650	0.8575	0.8312
hydroxymethylpyrimidine	4-Amino-5-hydroxymethyl-2-methylpyrimidine	1.5351	1.1106	1.8703	1.2542	1.4503	3.1021	1.0333	1.8055	3.2543	2.3452	0.6139	0.5764	0.8706	1.4893	0.9667
imidazole propionate	Imidazole propanoate	1.3520	0.9219	2.0200	0.3545	1.6511	0.9976	0.5968	0.4340	0.3339	0.5038	0.7419	0.4412	1.1006	0.2451	0.9347
indolelactate	Indolelactic acid	0.9884	1.1046	1.8970	0.5275	1.3964	1.5256	1.0708	0.4643	0.7073	0.9560	0.4346	0.5083	0.6345	0.7810	0.8392
indolepropionate	3-Indolepropionic acid	1.2663	1.6266	1.0824	0.3805	1.3049	1.2539	1.2623	0.7078	1.1355	1.3390	0.5485	0.5256	0.6050	0.7980	0.6259
indolin-2-one	Indolin-2-one	0.6985	1.0153	0.9890	0.5163	1.5393	0.6781	1.6498	0.8528	1.9923	1.5785	0.7389	1.2122	0.5990	0.4715	0.3704
inosine 5^-monophosphate (IMP)	IMP	0.5001	0.5001	0.5001	0.5001	0.5001	0.5001	0.5001	0.5001	0.5001	1.2591	0.5001	0.5001	1	0.5001	0.5001
isobutyrylcarnitine (C4)	CAR 3:0;2Me	1.5702	1.7364	1.3495	1.0558	0.9255	1.4337	1.2420	1.9182	2.0190	2.1006	0.6653	0.7200	1.0028	1.4737	1.8482
isoleucine	Isoleucine	1.5968	1.6862	1.3503	0.6229	1.3849	1.0819	1.5256	0.7300	1.1022	1.1824	0.7387	0.7198	0.7083	0.9887	1.0270
isovalerylcarnitine (C5)	CAR 4:0;3Me	1.9054	2.0060	2.2252	1.0041	0.8712	1.7370	1.3169	1.3298	1.6702	1.5252	0.5614	0.6466	1.0467	1.5634	1.4881
kynurenine	Kynurenine	0.9009	1.1356	1.3027	0.7632	0.5418	0.7274	0.7455	0.7182	1.0885	0.8798	0.6313	0.7363	0.7981	0.4911	0.8294
leucine	Leucine	1.9862	1.9871	1.6839	0.5327	1.3951	1.2817	1.5014	0.7404	1.3894	1.4551	0.7455	0.7798	0.8718	1.1609	1.1452
lysine	Lysine	1.0608	0.7154	1.2017	0.7103	0.8653	0.7983	1.4946	1.1028	1.0698	0.9451	0.9078	1.0193	0.9807	1.4707	1.4993
malonylcarnitine	CAR DC3:0	0.8289	0.8311	0.5939	1.4093	0.8820	2.8491	0.3241	1.0056	0.7289	0.9944	1.3227	1.2308	1.2550	0.4202	0.5578
methionine	Methionine	1.2517	0.8682	1.4351	0.4336	0.8228	0.9993	2.0856	1.6669	2.2908	2.2440	0.9211	1.0532	0.9966	2.1969	1.7465
methionine sulfone	Methionine sulfone	2.6417	1.7120	2.8427	1.3229	1.5850	0.9802	2.9198	0.4575	1.0024	0.7751	0.4561	0.6855	0.7328	1.0404	0.6048
methionine sulfoxide	Methionine sulfoxide	1.5415	0.9931	1.5475	0.7073	1.2168	1.7997	2.7677	1.2242	2.8680	2.4668	0.4980	0.6360	0.9204	3.0351	2.3349
methyl indole-3-acetate	Indole-3-methyl acetate	4.1283	1.8887	6.0795	0.8241	2.0914	0.3008	0.1371	1.1758	1.1487	1.6000	0.0418	0.0418	0.0418	1.0606	1.0023
methylphosphate	Methanolphosphate	1.5535	1.2371	1.5356	0.5781	0.6448	2.0539	0.5103	0.7738	1.0287	0.9217	1.6097	2.0317	3.1054	0.5397	0.4695
N1-Methyl-4-pyridone-3-carboxamide	N1-Methyl-4-pyridone-3-carboxamide	0.5848	1.1649	2.7146	1.6656	2.5558	4.0396	0.5831	0.6081	0.5772	0.4119	0.6706	0.8924	1.0371	0.5268	0.6467
N1-methyladenosine	1-Methyladenosine	0.7818	0.6881	1.1331	1.5440	1.1669	1.1189	6.4722	1.1203	0.7841	0.8638	0.9016	1.1224	0.9279	1.4121	1.4682
N1-methylinosine	1-Methylinosine	0.7060	0.6361	0.9582	2.2803	1.8363	1.3301	3.5740	0.7960	0.4564	0.4776	0.8909	1.0130	0.8054	0.9931	1.0069
(N(1) + N(8))-acetylspermidine	Asparagine	1.4110	1.3842	3.1406	1.0049	1.4506	0.9669	4.8128	0.5652	0.7654	0.7993	0.9284	1.3902	0.8205	0.7403	0.6412
N2_N2-dimethylguanosine	N2,N2-Dimethylguanosine	0.4571	0.4395	0.4820	2.4189	1.3691	0.5499	11.1367	1.1067	0.5684	0.6884	1.1691	1.0253	1.0075	1.7059	2.1303
N4-acetylcytidine	N4-Acetylcytidine	0.8608	0.8456	1.1327	1.9503	1.7430	1.9483	6.8237	0.6871	0.4899	0.5097	1.4298	1.1558	0.8895	0.7184	0.9603
N6-carboxyethyllysine	N(6)-(2-Carboxyethyl)-lysine	0.9202	0.3692	0.7304	2.4696	2.3449	0.9242	0.0667	1	0.4744	0.3931	0.0667	0.0667	0.0667	3.7113	3.7072
N6_N6_N6-trimethyllysine	N-6-Trimethyllysine	1.0067	0.9933	1.0754	0.8509	0.7174	1.6812	1.1806	0.8199	0.8945	0.9261	1.4428	1.9459	3.0725	0.8997	1.1175
N-acetyl-1-methylhistidine	N-Acetyl-3-methylhistidine	0.4492	0.3495	1.1694	2.6937	0.8977	0.6676	0.6019	1.3445	1.1325	1.2424	1.2591	1.5865	0.8399	0.7422	0.9211
N-acetyl-3-methylhistidine	N-Acetyl-3-methylhistidine	0.7446	0.3580	0.5793	0.3580	0.5347	0.6663	0.3580	1.9562	1	2.3812	0.3580	3.6648	0.5141	0.4678	0.3580
N-acetylarginine	N-Acetylarginine	1.2351	0.8947	1.5269	0.5566	0.5611	0.9682	1.8898	1.2654	2.5207	2.5485	1.1100	1.5982	1.6290	1.9900	2.0046
N-acetylasparagine	N-Acetylasparagine	1.0405	0.6086	0.7290	1.2003	1.2245	0.9108	0.5392	1.2446	1.3740	1.5173	0.8483	0.9460	0.6658	2.3521	2.0921
N-acetyl-aspartyl-glutamate (NAAG)	N-Acetyl-Asp-Glu	1.1460	0.2009	0.2009	1.0601	0.2009	0.8689	0.8250	1.3148	1.3008	1.7222	0.9059	1	0.5767	1.2716	1.1934
N-acetylglucosamine/N-acetylgalactosamine	N-Acetylhexosamine	0.8746	0.6297	0.9555	1.2422	0.9755	1.3120	1.6821	1.0084	0.9779	1.0008	0.9125	1.2265	1.0010	0.6763	0.9124
N-acetylglucosaminylasparagine	Aspartylglycosamine	0.8512	0.7842	0.9992	1.2645	0.3078	1.5314	0.3091	0.3078	0.3078	0.3078	1.3148	1.5768	2.5228	0.6342	1.0477
N-acetylputrescine	N-Acetylputrescine	0.8930	0.9354	1.6804	1.1696	0.5789	0.8837	2.8203	1.2967	1.3929	1.2590	0.7526	1.1449	0.7633	0.4511	0.5411
N-alpha-acetylornithine	N-Acetylornithine	0.7345	0.4090	0.5554	0.7679	2.6509	2.3143	0.4221	0.6962	1.3054	2.0616	0.6512	1	0.4994	6.1337	4.9050
nicotinamide	Niacinamide	1.1481	0.9423	0.8220	0.8380	0.7250	1.7098	0.5344	0.8845	1.0577	1.0911	1.3770	1.4449	1.7109	0.4209	0.5851
nicotinamide N-oxide	Nicotinamide N-oxide	0.5091	0.7515	0.8207	0.4036	1.0023	0.9278	0.1394	2.5328	2.3218	1.2997	1.3062	1.7634	0.9319	1.3732	1.2544
nicotinate ribonucleoside	D-Ribosylnicotinate	1.2041	0.7651	1.0788	2.7555	2.9909	4.9706	2.0414	1.0850	1.1697	0.9852	0.2856	0.2785	0.1732	9.9199	7.3399
N-methyl-GABA	4-(Methylamino)butyric acid	1.3024	1.3598	1.2371	1.7691	1.0179	4.2258	0.9657	0.7884	0.7159	0.7073	0.6253	0.5394	0.6213	0.7922	0.9646
N-methylproline	N-Methyl-proline	1.2459	0.7153	1.3626	0.9717	1.0395	1.1921	1.1184	1.1522	1.2881	1.4064	0.8401	0.9434	1.0252	1.4467	2.0065
N-monomethylarginine	Targinine	1.2488	0.9754	1.3704	0.9556	0.8099	0.9861	3.3394	1.1472	1.4421	1.1490	0.8612	1.0139	1.2536	1.8814	1.2105
N-trimethyl 5-aminovalerate		1.1745	0.8355	0.6050	0.8551	0.4741	1.3299	1.5629	0.6523	0.5084	0.5364	0.6101	0.9849	0.6585	0.9730	0.9255
ornithine	Ornithine	1.2134	1.2623	1.6496	1.0440	1.9202	1.9062	1.2865	0.7493	1.0604	0.9665	0.6668	0.8437	0.6648	0.9558	1.2249
phenylacetylglycine	Phenylacetylglycine	0.9549	0.7431	0.7401	0.8161	1.0451	1.7278	0.5548	0.5316	0.8412	0.5258	0.6879	1.5608	0.8619	0.5948	0.6056
phenylalanine	Phenylalanine	0.9934	0.9050	1.2211	0.5939	1.0066	0.9839	1.2105	0.8845	1.1988	1.0688	0.8393	0.8582	1.0200	1.0976	1.0993
phosphate	Phosphoric acid	0.8659	1.2066	0.6965	0.5668	0.3625	2.5748	3.5809	0.8838	0.7743	1.1162	4.3971	3.8515	4.8901	0.7908	0.8388
phosphoethanolamine	Phosphoethanolamine	0.7859	0.9069	0.5589	0.6167	0.0693	1.3810	0.7955	1.1581	0.9784	1.1162	1.2824	1.4078	1.7623	0.8566	1.4191
picolinate	Picolinic acid	1.6315	1.9455	1.6799	0.2278	0.9549	1.0502	1.8105	0.3004	1.3816	1.4679	0.7143	1.1543	1.0880	0.5639	0.8427
pimeloylcarnitine/3-methyladipoylcarnitine (C7-DC)	CAR DC7:0	0.6199	0.8761	0.9607	1.4842	0.8684	1.6947	0.9666	1.0561	1.1623	1.1071	1.1922	1.0522	1.1645	1.1281	0.8756
pipecolate	Pipecolic acid	1.0896	1.0041	2.0520	2.2641	1.6525	0.9748	1.3297	1.0981	0.8023	0.7451	0.6295	2.1652	0.8817	0.4967	0.9945
pro-hydroxy-pro	Pro-hydroxyPro	0.4651	0.5419	0.8427	1.0119	0.5853	0.9923	0.4271	1.2702	1.2396	0.9889	1.4422	1.4481	1.1466	1.2938	0.9669
proline	Proline	1.0215	0.8751	1.1690	0.6900	0.8607	1.0220	2.0219	0.9996	1.6230	1.6566	0.8663	1.0004	1.0280	1.5622	1.3848
prolylglycine	Pro-Gly	2.3965	1.4528	2.3893	0.3902	0.2199	0.2199	1.6649	1.4654	1.9816	1.8117	0.2199	0.2199	0.2199	1.7764	4.7145
propionylcarnitine (C3)	CAR 3:0	1.5301	1.1846	1.3214	1.0049	0.8393	0.8424	1.6233	2.0891	2.2689	2.4286	0.8509	0.7224	1.1012	1.6704	1.5498
putrescine	Putrescine	1.1886	1.2989	1.7655	1.8432	1.2497	0.4043	6.9685	1.2043	0.9776	0.8130	0.7381	0.7584	0.9080	1.2076	1.8666
pyridoxal	Pyridoxal	1.2874	2.4258	2.1113	0.4741	0.5431	0.9319	0.9108	1.0681	2.3737	1.5945	1.2113	1.1923	0.8116	0.3597	0.4467
pyroglutamine	Pyroglutamine	1.2606	1.1988	1.6476	1.3148	1.2722	1.0034	0.7805	1.3089	0.9155	1.1395	0.6100	0.5665	0.6234	0.6735	0.6523
S-1-pyrroline-5-carboxylate	1-Pyrroline-5-carboxylic acid	2.2833	1.5469	1.6957	1.2008	1.2468	3.0930	0.7011	0.9987	1.7044	1.7544	0.4329	0.5342	0.3459	1.7614	1.6543
sarcosine	Sarcosine	1.3948	0.9754	0.8597	0.7461	1.0167	2.0367	2.0178	1.4549	3.0033	2.7112	0.4532	0.7650	0.6200	2.2132	1.8792
serine	Serine	1.2053	0.8616	1.0204	0.4453	1.0456	0.8848	0.9581	0.8687	1.2393	1.2946	0.8067	0.9835	0.8370	1.0989	1.0782
serotonin	Serotonin	6.8296	10.4129	9.1561	0.1306	0.5103	2.9012	0.3237	9.8499	11.7410	10.3536	1.0390	1.2796	1.3108	0.1222	3.4301
S-methylcysteine sulfoxide	2-amino-3-methanesulfinylpropanoic acid	1.9185	0.5927	1.2706	0.9362	2.2107	0.6612	2.1862	0.2983	0.1073	0.1073	0.1638	0.1482	0.1073	0.2212	0.3031
S-methylmethionine	S-Methylmethionine	6.1976	0.5464	6.6390	0.5231	0.3407	0.3790	1.2559	1.8842	1.8648	1.8535	0.5075	0.8490	0.6824	1.4215	1.1467
spermidine	Spermidine	1.7574	3.2102	2.0900	2.5529	1.0642	0.8289	3.1372	0.5322	0.6201	0.2705	0.3004	0.6309	1.0467	0.5593	1.6529
stachydrine	Stachydrine	0.9252	0.5576	1.5763	0.3475	1.0261	1.1079	1.3834	1.4918	2.1568	1.7495	0.7164	0.7261	0.8182	1.6694	1.5190
suberoylcarnitine (C8-DC)	CAR DC8:0	1.0233	0.5718	1.2373	0.7041	0.9259	1.4065	0.3058	1.0150	0.4951	0.4447	1.1032	1.0774	0.8770	0.3058	0.3058
succinylcarnitine (C4-DC)	CAR DC4:0	0.6320	1.0027	0.5498	1.2870	0.4547	3.1579	0.2546	0.5004	0.5229	0.5946	1.2789	1.7074	2.7152	0.6149	0.6184
taurine	Taurine	0.7719	0.7718	0.7604	1.0079	0.5350	1.2839	1.0508	0.9595	1.0138	1.0393	0.8599	0.9383	0.9921	0.9021	1.0864
thioproline	Thioproline	0.1990	1.1675	0.1378	0.4522	0.4492	1.3261	0.7820	0.5956	1.5621	0.8062	1.8876	2.2735	3.5424	0.7268	1.0243
threonine	Threonine	1.2158	0.9757	1.0791	0.4285	1.0955	0.9237	1.3150	1.0158	1.6856	1.6634	0.8786	0.9998	0.9821	1.6528	1.5595
tiglylcarnitine (C5:1-DC)	CAR DC5:1	1.3093	1.4344	1.5967	0.3773	0.9698	1.2504	1.0632	0.3937	1.2885	1.6032	0.7606	1.3649	0.5929	1.0715	1.0323
trans-4-hydroxyproline	trans-4-Hydroxyproline	0.9424	0.6411	1.3544	1.1257	0.6461	0.6399	1.0037	1.4667	1.2851	1.4350	1.4779	1.2516	1.3000	1.2639	1.2358
trans-urocanate	Urocanic acid	1.3301	3.6942	2.5804	0.4308	0.1757	0.2405	1.3378	1.8840	1.3037	1.8141	0.4492	1.1252	1.2021	0.7495	0.8068
trigonelline (N^-methylnicotinate)	Trigonelline	1.3141	0.8846	1.6353	0.6812	0.8406	1.2180	1.9533	1.5086	1.8757	1.7647	0.8082	0.8872	1.0631	1.8333	1.3840
trimethylamine N-oxide	Trimethylamine N-oxide	2.4305	5.9301	9.5756	6.9438	1.2686	2.5040	1.9073	0.6276	1.3039	0.5401	0.9395	0.9540	0.6888	0.0903	0.0860
tryptophan	Tryptophan	1.2115	1.2796	1.2111	0.6597	1.1506	0.7634	1.1717	1.1215	1.3156	1.1674	0.6162	0.6630	0.6840	1.2199	1.1758
tyrosine	Tyrosine	1.0590	0.7977	1.2094	0.2929	0.8847	0.8563	1.7882	1.0942	1.5933	1.4787	0.7717	1.1770	0.9257	1.8158	1.8211
uracil	Uracil	1.5364	1.2043	0.9416	2.0884	0.9544	0.9627	10.7708	0.9747	0.8211	0.7725	0.8244	0.6951	0.7367	1.0859	1.7285
urea	Urea	1.2348	0.9895	2.0169	0.8447	0.7390	0.8714	0.9657	1.1056	1.4355	1.5351	0.8593	1.0877	1.1196	1.2473	1.2288
uridine 5^-monophosphate (UMP)	UMP	0.3767	0.3767	0.3767	0.3767	0.3767	0.3767	0.3767	0.3767	0.3767	1.3940	0.3767	0.3767	1	0.3767	0.3767
valine	Valine	2.2307	2.2555	1.6972	0.5278	1.5334	1.3463	1.4243	0.7880	1.3468	1.3882	0.7564	0.7730	0.8419	1.1125	1.2026