Showing structure for C[Si](C)(C)OC1CC2=C(O)C=C(O)C(C3C4=C(O)C=C(O)C=C4OC(C4=CC(O)=C(O)C(O)=C4)C3O[Si](C)(C)C)=C2OC1C1=CC(O)=C(O)C(O)=C1