Showing structure for CC1=C(O[Si](C)(C)C(C)(C)C)CC(OC2OC(CO[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)C2O)C2(C)CCC3C(C)C(=O)OC3C12