O=C(O)c1cc(Br)cc(Br)c1O    mol10045    0_1
O=C(O)c1cc(Br)cc(Br)c1[O-]    mol10045    -1_1
O=C([O-])c1cc(Br)cc(Br)c1O    mol10045    -1_2
O=C([O-])c1cc(Br)cc(Br)c1[O-]    mol10045    -2_1