Triisopropyl-(2-{(R)-5-[(4E,8E,12E)-4,9,13,17-tetramethyl-3-phenylsulfanyl-octadeca-4,8,12,16-tetraen-(Z)-ylidene]-tetrahydro-pyran-2-yl}-allyloxy)-silane

4-[2-((R)-2,2,5,5-Tetramethyl-[1,3]dioxolan-4-yl)-ethyl]-3,6-dihydro-[1,2]dioxine