1	NCY	N-methylcysteine	1.000
2	N2C	N,S-dimethylcysteine	0.889
3	33X	N-methyl-D-alanine	0.875
4	DAM	N-methyl-alpha-beta-dehydroalanine	0.875
5	MAA	N-methyl-L-alanine	0.875
6	J3D	N-carboxy-L-cysteine	0.800
7	SC2	N-acetyl-L-cysteine	0.800
8	5JP	N-methyl-L-serine	0.778
9	DSE	N-methyl-D-serine	0.778
10	LAL	N,N-dimethyl-L-alanine	0.778
11	MDH	N-methyldehydrobutyrine	0.778
12	MPT	Beta-mercaptopropionic acid	0.750
13	SAR	Sarcosine	0.750
14	0FL	3-amino-N-formyl-L-alanine	0.700
15	A1L7N	N-methyl-L-norvaline	0.700
16	AYA	N-acetylalanine	0.700
17	MV9	(2~{R})-3-methyl-2-(methylamino)butanoic acid	0.700
18	MVA	N-methylvaline	0.700
19	NCB	N-carbamoyl-alanine	0.700
20	NXA	N-carboxyalanine	0.700
21	NZC	N-methylidene-L-threonine	0.700
22	SNM	N,N-dimethyl-L-serine	0.700