英文别名methyl 6-chloro-3-oxo-4H-1,4-benzoxazine-8-carboxylate; 6-Chloro-3,4-dihydro-3-oxo-2H-1,4-benzoxazine-8-carboxylic acid methyl ester; 2H-1,4-Benzoxazine-8-carboxylic acid, 6-chloro-3,4-dihydro-3-oxo-, methyl ester; methyl 6-chloro-3,4-dihydro-3-oxo-2H-1,4-benzoxazine-8-carboxylate; 6-Chloro-3,4-Dihydro-3-Oxo-2H-1,4-Benzoxazine-8-CarboxylicAcidMethylEster; 6-Chloro-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazine-8-carboxylic acid methyl ester 
