(2R,5S)-2-(2,2-Dimethyl-[1,3]dioxolan-4-ylmethyl)-5-((3E,7E)-4,8,12-trimethyl-trideca-3,7,11-trienyl)-tetrahydro-pyran

(4E,8E)-11-[(3S,6R)-6-(2,2-Dimethyl-[1,3]dioxolan-4-ylmethyl)-tetrahydro-pyran-3-yl]-4,8-dimethyl-undeca-4,8-dienoic acid dimethylamide