英文同义词: | 2H-1,4-Benzoxazine-8-carboxylic acid, 3,4-dihydro-3-oxo-;3,4-Dihydro-3-oxo-2H-1,4-benzoxazine-8-carboxylicacid;3-Oxo-3,4-dihydro-2H-benzo[1,4]oxazine-8-carboxylic acid;3-OXO-3,4-DIHYDRO-2H-BENZO[B][1,4]OXAZINE-8-CARBOXYLIC ACID;3,4-Dihydro-3-oxo-2H-1,4-benzoxazine-8-carboxylic;3-hydroxy-2H-1,4-benzoxazine-8-carboxylic acid;3,4-dihydro-3-oxo-2H-benzo[b][1,4]oxazine-8-carboxylic acid |