Showing structure for CC(C)(C)[Si](C)(C)OC1C(CO)OC(OC2=CC=C(C3CC(=O)C4=CC=C(O)C=C4O3)C=C2)C(OC2OCC(CO)(O[Si](C)(C)C(C)(C)C)C2O[Si](C)(C)C(C)(C)C)C1O