英文同义词: | 3,4-Dihydro-4-methyl-3-oxo-2H-1,4-benzoxazine-8-carboxylic acid;8-Carboxy-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxazine, 3,4-Dihydro-4-methyl-3-oxo-2H-benzo[b][1,4]oxazine-8-carboxylic acid;3,4-dihydro-4-methyl-3-oxo-2H-benzo[b][1,4]oxazine-8-carboxylic acid;4-Methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-8-carboxylic acid;2H-1,4-Benzoxazine-8-carboxylic acid, 3,4-dihydro-4-methyl-3-oxo- |