Showing structure for C[Si](C)(C)OC1=CC(C2OC3=C(CC2O[Si](C)(C)C)C(O)=CC(O)=C3C(C2=CC=C(O[Si](C)(C)C)C(O[Si](C)(C)C)=C2)C(O)CC2=C(O)C=C(O)C=C2O)=CC=C1O