Showing structure for C[Si](C)(C)OC1C(CO)OC(OC2CC(OC3OC(CO)C(O[Si](C)(C)C)C(O[Si](C)(C)C)C3O[Si](C)(C)C)C(O)C(O)/C2=C\C#N)C(O)C1O[Si](C)(C)C