PSS-(DIMETHYLVINYLSILYLOXY)-HEPTACYCLOP&

pss-(dimethylvinylsilyoxy)-heptacyclopentyl substituted

1-(dimethylvinylsilyloxy)-3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane