Showing structure for C[Si](C)(C)OC1=CC(C2=C(OC3OCC(O)C(O[Si](C)(C)C)C3O)C(=O)C3=C(O)C=C(OC4OC(CO)C(O)C(O[Si](C)(C)C)C4O)C=C3O2)=CC=C1O