英文同义词: | 2,4-DIOXO-1,4-DIHYDRO-2H-BENZO[D][1,3]OXAZINE-7-CARBOXYLIC ACID;4-CARBOXYLIC-ISATOIC ANHYDRIDE;2H-3,1-Benzoxazine-7-carboxylic acid, 1,4-dihydro-2,4-dioxo-;2,4-Dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-7-carboxylic acid;2,4-dioxo-1H-3,1-benzoxazine-7-carboxylic acid;2,4-dioxo-1,4-dihydro-2H-3,1-benzoxazine-7-carboxylic acid |