optically inactive 1-(5-hydroxy-3-methyl-penta-1,3ξ-dien-ξ-yl)-2,2,6-trimethyl-cyclohexanol

(3E,5Z,7E)-6-methyl-8-(2,6,6-trimethylcyclohex-1-en-1-yl)octa-3,5,7-trien-1,1,1-d3-2-ol

7-cis-retinoic acid

(2E,4Z,6E)-5-methyl-7-(2,6,6-trimethylcyclohex-1-en-1-yl)hepta-2,4,6-trien-1-ol

(3E,5Z,7E)-6-methyl-8-(2,6,6-trimethylcyclohex-1-en-1-yl)octa-3,5,7-trien-2-one-1,1,1-d3