Showing structure for C[Si](C)(C)OC1C(C2=C3OC(C4=CC=C(O)C(O)=C4)=CC(=O)C3=C(O)C=C2OC2OC(CO)C(O[Si](C)(C)C)C(O[Si](C)(C)C)C2O[Si](C)(C)C)OC(CO)C(O)C1O