Showing structure for CC1OC(OC2=CC(O[Si](C)(C)C)=C3C(=O)C(O)=C(C4=CC(O)=C(O)C(O[Si](C)(C)C)=C4)OC3=C2)C(O)C(O[Si](C)(C)C)C1O[Si](C)(C)C