Showing structure for CC(C)(C)[Si](C)(C)OC1=CC(O)=C(C2=CC(=O)C3=C(O)C(C4OC(CO)C(O)C(O)C4O[Si](C)(C)C(C)(C)C)=C(O)C=C3O2)C=C1O[Si](C)(C)C(C)(C)C