O=C(O)c1c[nH+]c(C(=O)[O-])cn1    mol9626    0_1
O=C([O-])c1c[nH+]c(C(=O)[O-])c[nH+]1    mol9626    0_2
O=C(O)c1cnc(C(=O)O)cn1    mol9626    0_3
O=C([O-])c1c[nH+]c(C(=O)O)cn1    mol9626    0_4
O=C([O-])c1c[nH+]c(C(=O)[O-])cn1    mol9626    -1_1
O=C([O-])c1cnc(C(=O)O)cn1    mol9626    -1_2