O=C([O-])c1nc(C(=O)[O-])[nH+][nH]1    mol37882    -1_1
O=C(O)c1n[nH]c(C(=O)[O-])n1    mol37882    -1_2
O=C(O)c1n[n-]c(C(=O)O)n1    mol37882    -1_3
O=C([O-])c1n[nH]c(C(=O)[O-])[nH+]1    mol37882    -1_4
O=C([O-])c1n[nH]c(C(=O)O)n1    mol37882    -1_5
O=C([O-])c1n[nH]c(C(=O)[O-])n1    mol37882    -2_1
O=C(O)c1n[n-]c(C(=O)[O-])n1    mol37882    -2_2
O=C([O-])c1n[n-]c(C(=O)O)n1    mol37882    -2_3