Showing structure for CC(C)(C)[Si](C)(C)OCC1OC(OC2=CC(O)=C3C(=O)C=C(C4=CC=C(O)C(O)=C4)OC3=C2)C(OC2OCC(O)(CO[Si](C)(C)C(C)(C)C)C2O)C(O)C1O