Octavinyloctasilasesquioxane69655-76-133 % similar Vinyltrichlorosilane75-94-533 % similar Vinylphenyldimethylsilane1125-26-432 % similar Vinyl tris(dimethylsiloxy)silane160172-46-330 % similar Vinyltriisopropoxysilane18023-33-130 % similar Vinyltriethoxysilane78-08-030 % similar 2-(Bromovinyl)trimethylsilane41309-43-730 % similar