Showing structure for CCC(O[Si](C)(C)C(C)(C)C)=C1CC(C)C2(CCC3(C)C4=C(CCC32C)C2(C)CCC(O[Si](C)(C)C(C)(C)C)C(C)(CO[Si](C)(C)C(C)(C)C)C2CC4)O1