Showing structure for CC(=O)OC1CCC2(C)C3=C(CCC2C1(C)C)C1(C)CCC(C(CCC=C(C)C)C(=O)OC2OC(CO[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)C(O)C2O)C1(C)CC3