O/N=C/c1ccncc1    mol13615    0_1
[O-]/N=C/c1cc[nH+]cc1    mol13615    0_2
O/N=C/c1cc[nH+]cc1    mol13615    1_1
O/[NH+]=C/c1ccncc1    mol13615    1_2
[O-]/N=C/c1ccncc1    mol13615    -1_1