Showing structure for C[Si](C)(C)OC1=CC(C2OC3=C(CC2O[Si](C)(C)C)C(O[Si](C)(C)C)=CC(O)=C3C2C3=CC=C(O)C=C3OC(C3=CC=C(O)C(O)=C3)C2O)=CC=C1O