Showing structure for CC12CC(C3=CC=C(O)C=C3O1)C1=C(C2=O)C2=C(OC(=O)C3=CC=C(O)C=C3O[Si](C)(C)C(C)(C)C)C=C(C3=CC4=CC=C(O)C=C4O3)C=C2O1