英文别名1,3-Dihydro-1-oxo-4-isobenzofurancarboxylic acid; 4-Isobenzofurancarboxylic acid, 1,3-dihydro-1-oxo; 1-Oxo-1,3-dihydro-isobenzofuran-4-carboxylic acid; 4-Carboxyphthalide; 1-oxo-1,3-dihydro-2-benzofuran-4-carboxylic acid; 1-oxo-3H-2-benzofuran-4-carboxylic acid; 4-Carboxyphthalid; 1-oxo-3H-isobenzofuran-4-carboxylic acid; 4-Isobenzofurancarboxylic acid,1,3-dihydro-1-oxo 
