Metabolite_name RefMet_name NH4OH FA ACN-H2O EthAcet MeOH-H2O Factors - Exctraction:0.2% Ammonium hydroxide in water Exctraction:0.2% Formic acid in water Exctraction:Acetonitrile/Water Exctraction:Ethyl acetate Exctraction:Methanol/Water 1_1_1_5_7_7_7-Heptamethyl-3_3-bis(trimethylsiloxy)tetrasiloxane 8216347 6856043 7121779 18-Methyl-nonadecanol_ trimethylsilyl ether 1002285 385256 1H-Azonine_ octahydro-1-nitroso- 998300 710926 1-Hexanol_ 5-methyl-2-(1-methylethyl)- Cyclohexanol 170485 1-Monomyristin_ 2TMS derivative MG 14:0 20073580 14360122 16199139 1-Monopalmitin_ 2TMS derivative MG 16:0/0:0/0:0 748222288 725688268 430815 655278547 2(1H)-Pyrimidinone_ 1-[2_3-bis-O-(trimethylsilyl)-.beta.-D-ribofuranosyl]-4-(trimethylsiloxy)-_ 5^-[bis(trimethylsilyl) phospha 8018536 3972490 2_2^-Sulfinyldiethanol_ 2TMS derivative 952592 985497 2_3_4-Trihydroxybutyric acid tetrakis 4707336 6242033 5996779 2_3-Dihydroxypropyl icosanoate_ 2TMS derivative 4720541 3565644 3980275 2_4^-Bipyridine 1093634 2-Butenedioic acid_ (E)-_ 2TMS derivative Fumaric acid 1528801 2498902 582703 1871099 (2-Ethoxyethoxy)acetic acid_ TMS derivative 3588884 3591291 2-Methyl-6-tert-butylphenol_ TMS derivative 108732894 61793387 56096509 95799753 2-Methyltetracosane 1089644 2711590 2-Monostearin_ 2TMS derivative 3587058 1864294 2952262 3-Aminoisobutyric acid_ 3TMS derivative 3-Aminoisobutanoic acid 2686471 3447730 992691 3-Ethyl-3-methylheptadecane 216819 3-Pyridinol_ TMS derivative 3-Hydroxypyridine 730440 970561 4-Aminobutanoic acid_ 3TMS derivative gamma-Aminobutyric acid 15822091 4-Hydroxybutanoic acid_ 2TMS derivative 4-Hydroxybutyric acid 596333 5-Methyluridine_ 3TMS derivative Ribothymidine 2665893 6-Dimethyl(trimethylsilyl)silyloxytetradecane 157392 578909 9_12-Octadecadienoic acid (Z_Z)-_ TMS derivative 21675714 20037127 20762372 9-Octadecenamide_ (Z)- Oleamide 22103423 53146417 Acetoin_ TMS derivative Acetoin 2021585 Adenosine_ 4TMS derivative Adenosine 2851465 10346826 Alanine_ 2TMS derivative Alanine 4899056 2167166 1696802 Amphetamine_ 2TMS derivative Dextroamphetamine 1098751 benzene_ 1_1^-methylenebis[3-(1_1-dimethylethyl)-5-methyl-4-[(trimethylsilyl)oxy]- Benzene 28567659 42673697 20333567 Benzoic Acid_ TMS derivative Benzoic acid 357662 .beta.-Alanine_ 3TMS derivative beta-Alanine 1011004 .beta.-D-Galactofuranoside_ ethyl 2_3_5_6-tetrakis-O-(trimethylsilyl)- 469232 Boric acid_ 3TMS derivative 23321619 23321619 384617821 Butanedioic acid_ 2TMS derivative Succinic acid 4746815 4654901 845520 4151836 Cholesterol_ TMS derivative Cholesterol 17827559 3066638 8293218 70835367 12102866 Citric acid_ 4TMS derivative Citric acid 8083869 6263400 Cyclohexasiloxane_ dodecamethyl- 8928220 2425750 973227 2261580 Cyclopentanemethanol_ .alpha.-cyclohexyl-2-nitro- 1437515 Deoxyglucose_ 4TMS derivative Deoxy-glucose 26071453 D-Galactofuranose_ 1_2_3_5-tetrakis-O-(trimethylsilyl)-_ bis(trimethylsilyl) phosphate 7305680 4247381 D-Gluconic acid_ 6TMS derivative Gluconic acid 5370617 4991403 d-Glucose_ 2_3_4_5_6-pentakis-O-(trimethylsilyl)-_ o-methyloxyme_ (1E)- Glucose 22356914 9635809 d-Glucose_ 2_3_4_5-tetrakis-O-(trimethylsilyl)-_ o-methyloxime_ 6-[bis(trimethylsilyl) phosphate] Glucose 2295652 2390988 Diethylene glycol_ 2TMS derivative Diethylene glycol 879981 508831 Diisooctyl phthalate Diisooctyl phthalate 4019977 DL-Phenylalanine_ TMS derivative Phenylalanine 7999166 2458644 d-Mannose_ 2_3_4_5_6-pentakis-O-(trimethylsilyl)-_ o-methyloxyme_ (1E)- Mannose 3278546 3010342 Dodecanoic acid_ TMS derivative Lauric acid 2405771 821367 D-Pinitol_ pentakis(trimethylsilyl) ether Pinitol 14634505 38510171 45401248 D-(+)-Ribono-1_4-lactone_ 3TMS derivative Ribonolactone 62588114 60622872 D-(-)-Tagatose_ pentakis(trimethylsilyl) ether_ methyloxime (anti) D-Tagatose 3568082 Eicosanoic acid_ TMS Arachidic acid 6318356 Erythro-Pentonic acid_ 2-deoxy-3_4_5-tris-O-(trimethylsilyl)-_ trimethylsilyl ester 2934564 3302572 2455636 Ethylene glycol_ 2TMS derivative Ethylene glycol 3805783 Ethylphosphonic acid_ 2TMS derivative 2199159 2825696 2564961 Glucopyranose_ 5TMS derivative Glucose 21798540 13472478 23.3560 23.3860 Glyceric acid_ 3TMS derivative Glyceric acid 1205776 1261658 677598 862986 Glycerol_ 3TMS derivative Glycerol 9011155 37655907 4358175 97130865 Glycerol monostearate_ 2TMS derivative 71396128 352315760 355277040 302379487 Glycine_ 2TMS derivative Glycine 2082755 1615541 1032492 Glycolic acid_ 2TMS derivative Glycolic acid 225444 278303 266851 Heptadecanoic acid_ glycerine-(1)-monoester_ bis-O-trimethylsilyl- Margaric acid 2675410 1889228 2047385 Heptadecanoic acid_ TMS derivative Margaric acid 8018536 932062 Heptadecyl acetate 4307192 4140022 14309998 L-5-Oxoproline_ _ 2TMS derivative Pyroglutamic acid 21049984 18654026 20064518 2630123 Lactic Acid_ 2TMS derivative Lactic acid 21342253 135115766 155779670 228585341 L-Aspartic acid_ 2TMS derivative Aspartic acid 13323823 11095137 Levoglucosan_ 3TMS derivative Glucosan 2171042 2158786 L-Hydroxyproline_ (E)-_ 2TMS derivative trans-4-Hydroxyproline 8449003 5809140 L-Isoleucine_ TMS derivative Isoleucine 4412840 5495186 664503 5206709 L-Leucine_ TMS derivative Leucine 11211540 4401764 400788 5302656 L-Proline_ 2TMS derivative Proline 1226575 1990273 L-Proline_ TMS derivative Proline 4646866 2484408 L-Threonine_ 2TMS derivative Threonine 2599095 2587250 2599095 L-Tyrosine_ 3TMS derivative Tyrosine 2263508 913608 L-Valine_ 2TMS derivative Valine 833561 L-Valine_ TMS derivative Valine 2448318 1473123 1184688 Malic acid_ 3TMS derivative Malic acid 32721975 30825026 17389740 Myo-Inositol_ 1_3_4_5_6-pentakis-O-(trimethylsilyl)-_ bis(trimethylsilyl) phosphate Myo-inositol 11647390 7284716 6007297 Myristic acid_ TMS derivative Myristic acid 967775 N-Acetylaminoethanol_ TMS derivative 1169597 N_N-Dimethyldodecanamide 7140680 4800988 8369157 Nonadecane Nonadecane 941706 727665 Octadecane-1_2-diol_ 2TMS derivative 9552163 7414257 5427308 8676122 Octadecane_ 5-methyl- Octadecane 1439130 Octasiloxane_ 1_1_3_3_5_5_7_7_9_9_11_11_13_13_15_15-hexadecamethyl- 15057648 10707270 5396325 3216188 12003544 Oleic Acid_ (Z)-_ TMS derivative Oleic acid 9953575 7384438 4107097 9608737 Palmitic Acid_ TMS derivative Palmitic acid 48574221 172160405 306689365 21900783 390605918 Pentadecanoic acid_ TMS derivative Pentadecylic acid 1278013 Pentanedioic acid_ 2-[(trimethylsilyl)oxy]-_ bis(trimethylsilyl) ester Glutaric acid 734124 1354400 Phenol_ 2_2^-methylenebis[6-(1_1-dimethylethyl)-4-methyl- Phenol 53356073 1520808 11653162 Phosphoric acid_ bis(trimethylsilyl) 2_3-bis[(trimethylsilyl)oxy]propyl ester Phosphoric acid 24335810 18037128 1494950 11923779 Phosphorylethanolamine_ 4TMS derivative Phosphoethanolamine 7396066 Pimelic acid_ 2TMS derivative Pimelic acid 546659 348700 Propanoic acid_ 3-[methyl[2-oxo-2-[(trimethylsilyl)oxy]ethyl]amino]-3-oxo-_ trimethylsilyl ester Propionic acid 9441883 985497 Pyroglutamic acid_ TMS derivative Pyroglutamic acid 5508543 8720110 9582395 Scyllo-Inositol_ 6TMS derivative Myo-inositol 1783065 616640 Sebacic acid_ 2TMS derivative Sebacic acid 2221057 Silane_ [(1-methoxy-1_3-propanediyl)bis(oxy)]bis[trimethyl- 14886287 7024276 Spermine_ 6TMS derivative Spermine 27.3040 1872030 Stearic acid_ TMS derivative Stearic acid 36067511 130881548 222010162 16141552 263133932 Stigmast-5-ene_ 3.beta.-(trimethylsiloxy)-_ (24S)- 2194388 2036593 2708608 Stigmasterol_ TMS derivative Stigmasterol 658466 674722 800923 Succinic acid_ 3_5-difluorophenyl 2-(dimethylamino)ethyl ester Succinic acid 8494069 12240640 Sulfurous acid_ decyl 2-propyl ester 503838 Thiodiglycol_ 2TMS derivative Thiodiglycol 1784213 10610738 8177157 10115886 Triethanolamine_ 3TMS derivative Triethanolamine 13106735 10835385 12976871 Trisiloxane_ 1_1_1_5_5_5-hexamethyl-3_3-bis[(trimethylsilyl)oxy]- 3735642 2831229 4673349