Showing structure for C[Si](C)(C)OCC1OC(OC2C(C3=C(O[Si](C)(C)C)C=C4OC(C5=CC=C(O)C(O)=C5)=CC(=O)C4=C3O)OC(CO)C(O)C2O)C(O)C(O)C1O