Synonyms:
2h-1,4-benzoxazine-7-carboxylic acid, 3,4-dihydro-3-oxo- ; methyl 3-oxo-3,4-dihydro-2h-1,4-benzoxazine-7-carboxylate(saltdata: free) ; 3,4-dihydro-3-oxo-2h-1,4-benzoxazine-7-carboxylic acid methyl ester ; methyl 3-oxo-2,4-dihydro-1,4-benzoxazine-7-carboxylate ; methyl 3-oxo-4h-1,4-benzoxazine-7-carboxylate ; methyl 3-oxo-3,4-dihydro-2h-benzo[b][1,4]oxazine-7-carboxylate ; 3-keto-4h-1,4-benzoxazine-7-carboxylic acid methyl ester ; methyl 3-oxo-3,4-dihydro-2h-1,4-benzoxazine-7-carboxylate ; 3-oxo-4h-1,4-benzoxazine-7-carboxylic acid methyl ester