英文别名
1,1-dimethyl-3-oxo-phthalan-4-carboxylic acid;1,1-Dimethyl-3-oxo-phthalan-4-carbonsaeure;3.3-Dimethyl-phthalid-carbonsaeure-(7);3.3-Dimethyl-7-carboxy-phthalid;1,1-Dimethyl-3-oxo-1,3-dihydro-2-benzofuran-4-carboxylic acid;1,1-dimethyl-3-oxo-2-benzofuran-4-carboxylic acid