Oc1ccc(Cl)cc1O    mol9641    0_1
[O-]c1cc(Cl)ccc1O    mol9641    -1_1
[O-]c1ccc(Cl)cc1O    mol9641    -1_2
[O-]c1ccc(Cl)cc1[O-]    mol9641    -2_1