CNc1cc(N(C)C)ncn1    mol4185    0_1
CNc1cc(N(C)C)[nH+]cn1    mol4185    1_1
CNc1cc(N(C)C)nc[nH+]1    mol4185    1_2
C[NH2+]c1cc(N(C)C)ncn1    mol4185    1_3
CNc1cc([NH+](C)C)ncn1    mol4185    1_4