Showing structure for COC1=CC(C(O[Si](C)(C)C(C)(C)C)C2COC(=O)C2CC2=CC=C(OC3OC(C(=O)O)C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)C3O)C(OC)=C2)=CC=C1O