Showing structure for CC(C)(C)[Si](C)(C)OC1=CC=C2C(=C1)OC1=C2C(=O)OC2=CC(OC3OC(CO)C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)C3O[Si](C)(C)C(C)(C)C)=CC=C21