1	N2C	N,S-dimethylcysteine	1.000
2	NCY	N-methylcysteine	0.889
3	33X	N-methyl-D-alanine	0.778
4	A8C	3-(methylsulfanyl)propanoic acid	0.778
5	DAM	N-methyl-alpha-beta-dehydroalanine	0.778
6	MAA	N-methyl-L-alanine	0.778
7	NYB	N-methyl-S-[(1r)-1-methylpropyl]-L-cysteine	0.750
8	J3D	N-carboxy-L-cysteine	0.727
9	SC2	N-acetyl-L-cysteine	0.727
10	060	S-methyl-D-cysteine	0.700
11	5JP	N-methyl-L-serine	0.700
12	DEI	(2z)-2-hydroxy-3-(methylsulfanyl)prop-2-enoic acid	0.700
13	DQY	3-(dimethyl-lambda~4~-sulfanyl)propanoic acid	0.700
14	DSE	N-methyl-D-serine	0.700
15	LAL	N,N-dimethyl-L-alanine	0.700
16	MDH	N-methyldehydrobutyrine	0.700
17	SMC	S-methylcysteine	0.700