13-cis-retinoic acid
all-trans-retinoic-acid
(2Z,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-2-enyl)nona-2,4,6,8-tetraenoic acid
4,5-didehydro-5,6-dihydroretinoic acid
dimethyl 2-[(3E,6E)-1-methyl-5-oxo-7-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3,6-heptatrienyl]malonate