CN1NC=C(C#N)N1N mol25302 0_1 CN1[NH2+]C=C(C#N)N1N mol25302 1_1 CN1NC=C(C#N)[NH+]1N mol25302 1_2 C[NH+]1NC=C(C#N)N1N mol25302 1_3 CN1NC=C(C#N)N1[NH3+] mol25302 1_4