1	AN0	N-acetyl-L-norvaline	1.000
2	AOR	N~2~-acetyl-L-ornithine	0.917
3	LAY	N-acetyl-L-leucine	0.917
4	GZJ	(2s)-2-(acetylamino)butanoic acid	0.909
5	NLG	N-acetyl-L-glutamate	0.846
6	NLQ	N~2~-acetyl-L-glutamine	0.846
7	UDL	(2~{S},3~{R})-2-acetamido-4-methyl-3-oxidanyl-pentanoic acid	0.846
8	DNG	N-formyl-D-norleucine	0.833
9	P4B	(2~{R})-4-azanyl-2-[[(1~{S})-1-oxidanylethyl]amino]butanoic acid	0.833
10	QIL	N-formyl-L-isoleucine	0.833
11	THC	N-methylcarbonylthreonine	0.833
12	A1L7N	N-methyl-L-norvaline	0.818
13	AYA	N-acetylalanine	0.818
14	AME	N-acetylmethionine	0.769
15	KKD	N-acetyl-L-aspartic acid	0.769
16	SWJ	2-azanyl-~{N}-[(3~{S})-2-oxidanylidenehex-5-yn-3-yl]ethanamide	0.769
17	66E	N-ethyl-L-valine	0.750
18	9KK	N-methyl norleucine	0.750
19	A1AMC	(2s)-2-(methylamino)pentane-1,1,5-triol	0.750
20	DNM	N-methyl-D-norleucine	0.750
21	FVA	N-formyl-L-valine	0.750
22	IML	N-methyl-isoleucine	0.750
23	MLE	N-methylleucine	0.750
24	MLU	N-methyl-D-leucine	0.750
25	SAC	N-acetyl-serine	0.750
26	SC2	N-acetyl-L-cysteine	0.750
27	WZJ	N-methyl-L-alloisoleucine	0.750
28	AAG	N-alpha-L-acetyl-arginine	0.733
29	OLN	(S)-2-acetamido-5-ureidopentanoic acid	0.733
30	SN0	N-(3-carboxypropanoyl)-L-norvaline	0.733
31	AAC	Acetylamino-acetic acid	0.727
32	MDH	N-methyldehydrobutyrine	0.727
33	73P	(2~{S})-6-azanyl-2-(carboxyamino)hexanoic acid	0.714
34	AQK	(2~{S})-5-azanyl-2-(2-hydroxy-2-oxoethylamino)pentanoic acid	0.714
35	C4L	N-butanoyl-L-homoserine	0.714