1	NCB	N-carbamoyl-alanine	1.000
2	CDV	3-methyl-2-ureido-butyric acid	0.818
3	0FL	3-amino-N-formyl-L-alanine	0.800
4	AYA	N-acetylalanine	0.800
5	CMS	Carbamoyl sarcosine	0.800
6	NXA	N-carboxyalanine	0.800
7	UGC	(2s)-(carbamoylamino)(hydroxy)ethanoic acid	0.800
8	UGY	(2s)-amino(carbamoylamino)ethanoic acid	0.800
9	33X	N-methyl-D-alanine	0.778
10	DAM	N-methyl-alpha-beta-dehydroalanine	0.778
11	MAA	N-methyl-L-alanine	0.778
12	XH1	N-propan-2-ylurea	0.778
13	CDT	4-methylsulfanyl-2-ureido-butyric acid	0.750
14	NCD	N-carbamoyl-L-aspartate	0.750
15	W9J	N-carbamoyl-L-methionine	0.750
16	FVA	N-formyl-L-valine	0.727
17	GZJ	(2s)-2-(acetylamino)butanoic acid	0.727
18	J3D	N-carboxy-L-cysteine	0.727
19	SAC	N-acetyl-serine	0.727
20	SC2	N-acetyl-L-cysteine	0.727
21	5JP	N-methyl-L-serine	0.700
22	AAC	Acetylamino-acetic acid	0.700
23	DSE	N-methyl-D-serine	0.700
24	HDA	Hadacidin	0.700
25	LAL	N,N-dimethyl-L-alanine	0.700
26	MDH	N-methyldehydrobutyrine	0.700
27	NCY	N-methylcysteine	0.700
28	NMG	Guanidino acetate	0.700