Feature (m/z_RT)	NGE_D_13C_1	NGE_D_13C_2	NGE_D_13C_3
89.0244_4.07	240151633	97090920	177688618
73.0295_4.02	208462723	34161659	108924093
87.0451_4.02	149700163	16806013	38815014
147.0298_10.29	135690655	94759182	261812500
135.0295_5.53	47325461	24138870	43416039
117.0193_10.28	30833994	24574420	165125599
115.0036_10.93	7506859	4945859	13014015
133.0142_10.97	204043216	124822987	93272938
145.0142_10.53	12604789	11428239	19183489
184.9856_12.02	5265792	3295365	1796656
87.0087_4.01	94703294	89466624	178582203