2-amino-3-sulfinopropanoic acid 2-amino-3-sulfino-propanoic acid 2-amino-3-sulfino-propionic acid 1115-65-7 2381-08-0 EINECS 214-228-5 STOCK1N-17360 3-SULFINOALANINE 3-Sulfino-L-alanine 3-sulphino-L-alanine L-Cysteinesulfinic acid Cysteine hydrogen sulfite ester Alanine 3-sulfinic acid Alanine, 3-sulfino- C4418_SIGMA Cysteine sulfinate Cysteine sulfinic acid L-Cysteine sulfinic acid L-Alanine, 3-sulfino- 2-azaniumyl-3-hydroxy-3-oxopropane-1-sulfinate 2-azaniumyl-3-hydroxy-3-oxo-propane-1-sulfinate 2-ammonio-3-hydroxy-3-oxopropane-1-sulfinate 2-ammonio-3-hydroxy-3-keto-propane-1-sulfinate