Showing structure for COC1=C(O)C=C([C@H]2OC3=CC(O[C@@H]4O[C@H](C(=O)O[Si](C)(C)C)[C@@H](O[Si](C)(C)C)[C@H](O)[C@H]4O)=CC(O)=C3C[C@H]2O)C=C1O