Synonyms: Silane, [[(1a,3b,5Z,7E)-25-[(tetrahydro-2H-pyran-2-yl)oxy]-9,10-secocholesta-5,7,10(19)-triene-1,3-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethyl- (9CI);[[(1a,3b,5Z,7E)-25-[(Tetrahydro-2H-pyran-2-yl)oxy]-9,10-secocholesta-5,7,10(19)-triene-1,3-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethylsilane]