英文同义词: | ETHYL 3-OXO-3,4-DIHYDRO-2H-BENZO[B][1,4]OXAZINE-6-CARBOXYLATE;Ethyl 3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylate;3-keto-4H-1,4-benzoxazine-6-carboxylic acid ethyl ester;3-oxo-4H-1,4-benzoxazine-6-carboxylic acid ethyl ester;ethyl 3-oxo-4H-1,4-benzoxazine-6-carboxylate;2H-1,4-Benzoxazine-6-carboxylic acid, 3,4-dihydro-3-oxo-, ethyl ester |