The molecule is a carotenol, the structure of which is (6'R)-beta,epsilon-carotene hydroxy-substituted at C-3 with R-stereochemistry. It derives from a hydride of a (6'R)-beta,epsilon-carotene.
(1R)-3,5,5-trimethyl-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-[(1R)-2,6,6-trimethylcyclohex-2-en-1-yl]octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohex-3-en-1-ol