CN(C)c1ncnc2[nH]ncc12    mol4942    0_1
CN(C)c1ncnc2[nH][nH+]cc12    mol4942    1_1
CN(C)c1nc[nH+]c2[nH]ncc12    mol4942    1_2
CN(C)c1[nH+]cnc2[nH]ncc12    mol4942    1_3
C[NH+](C)c1ncnc2[nH]ncc12    mol4942    1_4
CN(C)c1ncnc2[n-]ncc12    mol4942    -1_1