1	THC	N-methylcarbonylthreonine	1.000
2	GZJ	(2s)-2-(acetylamino)butanoic acid	0.909
3	SAC	N-acetyl-serine	0.909
4	UDL	(2~{S},3~{R})-2-acetamido-4-methyl-3-oxidanyl-pentanoic acid	0.846
5	AN0	N-acetyl-L-norvaline	0.833
6	P4B	(2~{R})-4-azanyl-2-[[(1~{S})-1-oxidanylethyl]amino]butanoic acid	0.833
7	U6A	N-carboxy-L-threonine	0.833
8	A1INA	~{N}-[(2~{S},3~{S})-3-oxidanylbutan-2-yl]ethanamide	0.818
9	AYA	N-acetylalanine	0.818
10	NZC	N-methylidene-L-threonine	0.818
11	AME	N-acetylmethionine	0.769
12	AOR	N~2~-acetyl-L-ornithine	0.769
13	KKD	N-acetyl-L-aspartic acid	0.769
14	LAY	N-acetyl-L-leucine	0.769
15	2QZ	N,N-dimethyl-L-threonine	0.750
16	66E	N-ethyl-L-valine	0.750
17	A1L3I	(2~{S})-3-methyl-2-(methylamino)-3-oxidanyl-butanoic acid	0.750
18	FVA	N-formyl-L-valine	0.750
19	SC2	N-acetyl-L-cysteine	0.750
20	5JP	N-methyl-L-serine	0.727
21	AAC	Acetylamino-acetic acid	0.727
22	DSE	N-methyl-D-serine	0.727
23	MDH	N-methyldehydrobutyrine	0.727
24	C4L	N-butanoyl-L-homoserine	0.714
25	NLG	N-acetyl-L-glutamate	0.714
26	NLQ	N~2~-acetyl-L-glutamine	0.714