1	P4B	(2~{R})-4-azanyl-2-[[(1~{S})-1-oxidanylethyl]amino]butanoic acid	1.000
2	GZJ	(2s)-2-(acetylamino)butanoic acid	0.909
3	AN0	N-acetyl-L-norvaline	0.833
4	THC	N-methylcarbonylthreonine	0.833
5	AYA	N-acetylalanine	0.818
6	5VV	N-carbamoyl-L-asparagine	0.769
7	AME	N-acetylmethionine	0.769
8	AOR	N~2~-acetyl-L-ornithine	0.769
9	KKD	N-acetyl-L-aspartic acid	0.769
10	LAY	N-acetyl-L-leucine	0.769
11	66E	N-ethyl-L-valine	0.750
12	FVA	N-formyl-L-valine	0.750
13	SAC	N-acetyl-serine	0.750
14	SC2	N-acetyl-L-cysteine	0.750
15	AAC	Acetylamino-acetic acid	0.727
16	LFU	~{N}-(3-azanylpropyl)ethanamide	0.727
17	MDH	N-methyldehydrobutyrine	0.727
18	C4L	N-butanoyl-L-homoserine	0.714
19	NLG	N-acetyl-L-glutamate	0.714
20	NLQ	N~2~-acetyl-L-glutamine	0.714
21	UDL	(2~{S},3~{R})-2-acetamido-4-methyl-3-oxidanyl-pentanoic acid	0.714