O/N=C/c1cc(Cl)ccc1O    mol31576    0_1
[O-]c1ccc(Cl)cc1/C=[NH+]/O    mol31576    0_2
[O-]/N=C/c1cc(Cl)ccc1O    mol31576    -1_1
[O-]c1ccc(Cl)cc1/C=N/O    mol31576    -1_2