Showing structure for C[Si](C)(C)OCC1OC(C2=C(O[Si](C)(C)C)C=C3OC(C4=CC=C(O)C=C4)=C(C4OC(CO)C(O)C(O[Si](C)(C)C)C4O)C(=O)C3=C2O[Si](C)(C)C)C(O)C(O)C1O