Synonyms: 5-Indancarboxylicacid, 3-(p-carboxyphenyl)-1,1,3-trimethyl- (6CI,7CI,8CI); 1,1,3-Trimethyl-3-(p-carboxyphenyl)indan-5-carboxylicacid; 1,1,3-Trimethyl-5-carboxy-3-(4-carboxyphenyl)indan;1,1,3-Trimethyl-5-carboxy-3-(p-carboxyphenyl)indan;1-(4-Carboxyphenyl)-1,3,3-trimethylindan-6-carboxylic acid;3-(4-Carboxyphenyl)-1,1,3-trimethyl-5-indancarboxylic acid;5-Carboxy-3-(4-carboxyphenyl)-1,1,3-trimethylindan;5-Carboxy-3-(p-carboxyphenyl)-1,1,3-trimethylindan; Phendic acid