O=C(O)c1ccc(Br)cc1C(=O)O    mol10490    0_1
O=C([O-])c1cc(Br)ccc1C(=O)O    mol10490    -1_1
O=C([O-])c1ccc(Br)cc1C(=O)O    mol10490    -1_2
O=C([O-])c1ccc(Br)cc1C(=O)[O-]    mol10490    -2_1