1	FME	N-formylmethionine	1.000
2	AME	N-acetylmethionine	0.917
3	CDT	4-methylsulfanyl-2-ureido-butyric acid	0.917
4	CXM	N-carboxymethionine	0.917
5	W9J	N-carbamoyl-L-methionine	0.917
6	MME	N-methyl methionine	0.909
7	2MM	N,N-dimethyl-L-methionine	0.833
8	4MM	N,N,N-trimethylmethionine	0.769
9	FVA	N-formyl-L-valine	0.750
10	GZJ	(2s)-2-(acetylamino)butanoic acid	0.750
11	MDH	N-methyldehydrobutyrine	0.727