(1)-2-Amino-4-(methylsulphinyl)butyric acid 2-Amino-4-(methylsulfinyl)butanoic acid 2-Amino-4-(methylsulfinyl)butyric acid 2-Amino-4-(methylsulphinyl)butyric acid 4241-59-2 454-41-1 62697-73-8 AI3-26385 BRN 1723794 Butanoic acid, 2-amino-4-(methylsulfinyl)- Butyric acid, 2-amino-4-(methylsulfinyl)- EINECS 207-225-5 EINECS 263-700-7 Methionine sulfoxide NSC 3084 SQ 2292 Uethionine, S-oxide