Showing structure for CC(C)(C)[Si](C)(C)OC1=CC(C2OC3=C(CC2O)C(O[Si](C)(C)C(C)(C)C)=CC(O)=C3C2OC(CO)C(O)C(O)C2O[Si](C)(C)C(C)(C)C)=CC=C1O