1	OTH	N,O-dimethyl-L-threonine	1.000
2	MDH	N-methyldehydrobutyrine	0.800
3	MV9	(2~{R})-3-methyl-2-(methylamino)butanoic acid	0.727
4	MVA	N-methylvaline	0.727
5	NZC	N-methylidene-L-threonine	0.727
6	OLT	O-methyl-L-threonine	0.727
7	33X	N-methyl-D-alanine	0.700
8	DAM	N-methyl-alpha-beta-dehydroalanine	0.700
9	MAA	N-methyl-L-alanine	0.700