SMILES: CC1=C(C(CCC1=O)(C)C)/C=C/C(=C\\C=C\\C(=C\\C(=O)[O-])\\C)/C
Description: The molecule is a retinoid anion that is the conjugate base of 9-cis-4-oxoretinoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a retinoid anion and an oxo monocarboxylic acid anion. It is a conjugate base of a 9-cis-4-oxoretinoic acid.