1	4MM	N,N,N-trimethylmethionine	1.000
2	2MM	N,N-dimethyl-L-methionine	0.917
3	MME	N-methyl methionine	0.833
4	FME	N-formylmethionine	0.769
5	AME	N-acetylmethionine	0.714
6	CDT	4-methylsulfanyl-2-ureido-butyric acid	0.714
7	CXM	N-carboxymethionine	0.714
8	W9J	N-carbamoyl-L-methionine	0.714