Showing structure for C[Si](C)(C)OC1=CC(C(C2=C(O)C=C(O)C3=C2OC(C2=CC=C(O[Si](C)(C)C)C(O[Si](C)(C)C)=C2)C(O[Si](C)(C)C)C3)C(O)CC2=C(O)C=C(O)C=C2O)=CC=C1O