Showing structure for C[Si](C)(C)OC1=CC(C2OC3=CC(O)=CC(O)=C3C(C3=C(O)C=C(O[Si](C)(C)C)C4=C3OC(C3=CC=C(O)C(O)=C3)C(O[Si](C)(C)C)C4)C2O)=CC(O)=C1O