Showing structure for C[Si](C)(C)OC1C(C2=C(O)C(C3OC(CO)C(O[Si](C)(C)C)C(O[Si](C)(C)C)C3O[Si](C)(C)C)=C(O)C3=C2OC(C2=CC=C(O)C=C2)=CC3=O)OCC(O)C1O