英文别名ETHYL 1,1,4-TRIOXO-HEXAHYDRO-1L6-THIOPYRAN-3-CARBOXYLATE; Tetrahydro-4-oxo-2H-thiopyran-3-carboxylic acid ethyl ester 1,1-dioxide; ethyl 1,1,4-trioxothiane-3-carboxylate; 2H-Thiopyran-3-carboxylic acid, tetrahydro-4-oxo-, ethyl ester, 1,1-dioxide 
