Showing structure for CC(C)(C)[Si](C)(C)OC1C(NC2=C(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)[NH]C(=O)N2[Si](C)(C)C(C)(C)C)OC(COP(=O)([O-])[O-])C1O