Showing structure for C[Si](C)(C)OCC1OC(OC2=CC(O)=C3C=C(O[Si](C)(C)C)C(C4=CC=C(O[Si](C)(C)C)C(O[Si](C)(C)C)=C4)=[O+]C3=C2)C(O[Si](C)(C)C)C(O)C1O[Si](C)(C)C