Oc1ccc(Br)cc1O    mol9643    0_1
[O-]c1cc(Br)ccc1O    mol9643    -1_1
[O-]c1ccc(Br)cc1O    mol9643    -1_2
[O-]c1ccc(Br)cc1[O-]    mol9643    -2_1