Showing structure for CC(C)(C)[Si](C)(C)OC1COC(OC2=CC(O)=C3C(=O)C(OC4OC(CO)C(O)C(O)C4O[Si](C)(C)C(C)(C)C)=C(C4=CC=C(O)C(O)=C4)OC3=C2)C(O)C1O