1118-85-0 820-10-0 AI3-52410 Butanoic acid, 2-amino-4-(methylsulfonyl)- Butyric acid, 2-amino-4-(methylsulfonyl)-, DL- D,L-Methionine sulfone DL-Methionine S-dioxide EINECS 212-466-4 Methionine sulfone NSC 62968