Showing structure for CC(C)(C)[Si](C)(C)OCC1OC(OC2C(CO)OC(OC3=CC=C4C(=C3)C(O)(CC(=O)O)C(=O)N4[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)C2O)C(O)C(O)C1O