Showing structure for CC(CC(=CC(C)(O)C1CC(=O)C2(C)C3=C(C(=O)CC12C)C1(C)CC=C(O[Si](C)(C)C(C)(C)C)C(C)(C)C1C=C3O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)C(=O)O