The molecule is a retinoid that consists of all-trans-retinoic acid carrying an oxo substituent at position 4 and a hydroxy substituent at position 18. It is a retinoid, an enone, a hydroxy monocarboxylic acid and an oxo monocarboxylic acid. It derives from an all-trans-retinoic acid. It is a conjugate acid of an all-trans-4-oxo-18-hydroxyretinoate.
(2E,4E,6E,8E)-9-[2-(hydroxymethyl)-6,6-dimethyl-3-oxocyclohexen-1-yl]-3,7-dimethylnona-2,4,6,8-tetraenoic acid