1	33X	N-methyl-D-alanine	1.000
2	DAM	N-methyl-alpha-beta-dehydroalanine	1.000
3	MAA	N-methyl-L-alanine	1.000
4	5JP	N-methyl-L-serine	0.875
5	DSE	N-methyl-D-serine	0.875
6	LAL	N,N-dimethyl-L-alanine	0.875
7	MDH	N-methyldehydrobutyrine	0.875
8	NCY	N-methylcysteine	0.875
9	SAR	Sarcosine	0.857
10	0FL	3-amino-N-formyl-L-alanine	0.778
11	AYA	N-acetylalanine	0.778
12	MV9	(2~{R})-3-methyl-2-(methylamino)butanoic acid	0.778
13	MVA	N-methylvaline	0.778
14	N2C	N,S-dimethylcysteine	0.778
15	NCB	N-carbamoyl-alanine	0.778
16	NXA	N-carboxyalanine	0.778
17	NZC	N-methylidene-L-threonine	0.778
18	SNM	N,N-dimethyl-L-serine	0.778
19	DMG	N,N-dimethylglycine	0.750
20	KG7	(2e)-2-(hydroxyimino)propanoic acid	0.750
21	ZZJ	N^2^-methyl-L-alaninamide	0.750
22	AKR	Acrylic acid	0.714
23	DK6	Propane-1,1-diol	0.714
24	PPI	Propanoic acid	0.714
25	2QZ	N,N-dimethyl-L-threonine	0.700
26	66E	N-ethyl-L-valine	0.700
27	9KK	N-methyl norleucine	0.700
28	DNM	N-methyl-D-norleucine	0.700
29	FVA	N-formyl-L-valine	0.700
30	GZJ	(2s)-2-(acetylamino)butanoic acid	0.700
31	IML	N-methyl-isoleucine	0.700
32	J3D	N-carboxy-L-cysteine	0.700
33	MLE	N-methylleucine	0.700
34	MLU	N-methyl-D-leucine	0.700
35	MME	N-methyl methionine	0.700
36	O7G	N,N-dimethyl-L-valine	0.700
37	OEM	N-methyl-D-aspartic acid	0.700
38	OTH	N,O-dimethyl-L-threonine	0.700
39	SAC	N-acetyl-serine	0.700
40	SC2	N-acetyl-L-cysteine	0.700
41	SOQ	N-methyl-L-aspartic acid	0.700
42	WZJ	N-methyl-L-alloisoleucine	0.700