Showing structure for COC1=CC(C2=CC3=C(O[C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)C(C4=CC(OC)=C(O[Si](C)(C)C)C(OC)=C4)=[O+]C4=CC(O)=CC(=C34)O2)=CC=C1O