(2E,4Z,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexenyl)nona-2,4,6,8-tetraenal 11-cis-Retinal 11-cis-Retinene 11-cis-Vitamin A aldehyde C02110 LMPR01090003 (2E,4Z,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenal CHEBI:16066