1	DSE	N-methyl-D-serine	1.000
2	5JP	N-methyl-L-serine	1.000
3	NZC	N-methylidene-L-threonine	0.889
4	SNM	N,N-dimethyl-L-serine	0.889
5	33X	N-methyl-D-alanine	0.875
6	DAM	N-methyl-alpha-beta-dehydroalanine	0.875
7	MAA	N-methyl-L-alanine	0.875
8	2QZ	N,N-dimethyl-L-threonine	0.800
9	SAC	N-acetyl-serine	0.800
10	LAL	N,N-dimethyl-L-alanine	0.778
11	MDH	N-methyldehydrobutyrine	0.778
12	NCY	N-methylcysteine	0.778
13	3OH	3-hydroxy-propanoic acid	0.750
14	FK2	3-oxidanylidenepropanoic acid	0.750
15	SAR	Sarcosine	0.750
16	THC	N-methylcarbonylthreonine	0.727
17	U6A	N-carboxy-L-threonine	0.727
18	0FL	3-amino-N-formyl-L-alanine	0.700
19	AYA	N-acetylalanine	0.700
20	MV9	(2~{R})-3-methyl-2-(methylamino)butanoic acid	0.700
21	MVA	N-methylvaline	0.700
22	N2C	N,S-dimethylcysteine	0.700
23	NCB	N-carbamoyl-alanine	0.700
24	NXA	N-carboxyalanine	0.700