Showing structure for C[Si](C)(C)OC1CC2=C(C=C(OC3OC(CO)C(O)C(O)C3O[Si](C)(C)C)C3=C2OC(=O)CC3C2=CC=C(O)C(O)=C2)OC1C1=CC=C(O)C(O)=C1