[O-]c1ccccc1/C=[NH+]/O    mol13042    0_1
O/N=C/c1ccccc1O    mol13042    0_2
[O-]c1ccccc1/C=N/O    mol13042    -1_1
[O-]/N=C/c1ccccc1O    mol13042    -1_2
[O-]/N=C/c1ccccc1[O-]    mol13042    -2_1