Showing structure for C[Si](C)(C)OC1C(OC2C(CO)OC(OC3=CC=C4C(=C3)C(CC(=O)O)(O[Si](C)(C)C)C(=O)N4[Si](C)(C)C)C(O)C2O[Si](C)(C)C)OC(CO)C(O)C1O