Showing structure for C[Si](C)(C)OC1=CC=C(C23OC4=CC(O)=CC(O)=C4C(C4=C(C=C(O[Si](C)(C)C)C5=C4OC(C4=CC=C(O)C(O)=C4)C(O[Si](C)(C)C)C5)O2)C3O[Si](C)(C)C)C=C1O