(4E,8E)-2-(methoxycarbonyl)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid

diethyl 2-(1-bromopropan-2-ylidene)propanedioate

diethyl 2-((5E,7E)-6-methyl-4-(phenylsulfonyl)-8-(2,6,6-trimethylcyclohex-1-en-1-yl)octa-5,7-dien-2-ylidene)malonate

5,5-dimethoxy-1-(2,6,6-trimethyl-cyclohex-1-enyl)-pent-1-en-3-one

(2E,4E)-ethyl 3-methyl-5-(2,6,6-trimethylcyclohex-1-enyl)penta-2,4-dienoate