O=C([O-])c1cc[nH]c(=O)[nH+]1 mol9345 0_1 O=C(O)c1cc[nH]c(=O)n1 mol9345 0_2 O=C([O-])c1cc[nH]c(=O)n1 mol9345 -1_1 O=C(O)c1cc[n-]c(=O)n1 mol9345 -1_2 O=C([O-])c1cc[n-]c(=O)n1 mol9345 -2_1