1 M2S 3-{[(R)-methylsulfinyl]methyl}-L-valine 1.000 2 MHO S-oxymethionine 0.833 3 SME Methionine sulfoxide 0.833 4 MSL (2s)-2-amino-4-(methylsulfonimidoyl)butanoic acid 0.769 5 OMT S-dioxymethionine 0.769 6 MED D-methionine 0.750 7 MET Methionine 0.750 8 TBG 3-methyl-L-valine 0.750 9 TDD (2r)-2-amino-3,3-dimethyl-butanoic acid 0.750