Synonyms: Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane,octaethenyl- (9CI);1,3,5,7,9,11,13,15-Octavinylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane;OL 1160;Octa(vinylsilsesquioxane);OctaVinyl-POSS;Octavinyloctasilsesquioxane;POSS OL 1160;PSS-OctaVinyl;V-T 8;V-T 8(resist);Vinyl POSS;Vinyl-T 8;