SMILES: CC(CC1=CC=C(C=C1)C(C)C(=O)O)C(=O)O
Description: The molecule is a dicarboxylic acid that is ibuprofen in which one of the methyl groups in the isobutyl portion has been converted to the corresponding carboxylic acid. It has a role as a drug metabolite. It derives from an ibuprofen. It is a conjugate acid of a carboxyibuprofen anion and a carboxyibuprofen(2-).