英文别名3-BROMO-5-CARBETHOXY-4,6-DIMETHYL-2-PYRONE; ETHYL BROMO ISODEHYDRO ACETATE; 2H-Pyran-5-carboxylic acid, 3-bromo-4,6-dimethyl-2-oxo-, ethyl ester; ETHYL 3-BROMO-4,6-DIMETHYL-2H-PYRAN-5-CARBOXYLATE; 5-BROMO-2,4-DIMETHYL-6-OXO-6H-PYRAN-3-CARBOXYLIC ACID ETHYL ESTER 
