英文同义词:
1,3-DIHYDRO-1-OXOISOBENZOFURAN-5-CARBOXYLIC ACID;1-Oxo-5-phthalancarboxylic acid;5-Carboxyl-phthalide;1,3-Dihydro-1-oxoisobenzofuran-5-carboxylic acid, 1,3-Dihydro-1-oxo-2-benzofuran-5-carboxylic acid;5-CARBOXYPHTHALID ACID;5-Carboxyphthalide 97%;5-CARBOXYPHTALIDACID;1-Oxo-1,3-dihydroisobenzofuran-5-carboxylic acid