Cc1cc(N(C)C)ncn1    mol25719    0_1
Cc1cc(N(C)C)nc[nH+]1    mol25719    1_1
Cc1cc([NH+](C)C)ncn1    mol25719    1_2
Cc1cc(N(C)C)[nH+]cn1    mol25719    1_3