Showing structure for C[Si](C)(C)OC1C(O)C(COP(=O)([O-])OP(=O)([O-])OP(=O)([O-])[O-])OC1N1C(=O)N([Si](C)(C)C)C2=C1N=C(N([Si](C)(C)C)[Si](C)(C)C)[NH]C2=O