Showing structure for COC1=CC=C(C2=COC3=CC(O[C@@H]4O[C@H](C(=O)O)[C@@H](O)[C@H](O[Si](C)(C)C(C)(C)C)[C@H]4O)=C(OC)C(O[Si](C)(C)C(C)(C)C)=C3C2=O)C=C1