Cn1cnc(C(=O)O)c1C(=O)O    mol12583    0_1
Cn1c[nH+]c(C(=O)O)c1C(=O)[O-]    mol12583    0_2
Cn1c[nH+]c(C(=O)[O-])c1C(=O)O    mol12583    0_3
Cn1c[nH+]c(C(=O)O)c1C(=O)O    mol12583    1_1
Cn1c[nH+]c(C(=O)[O-])c1C(=O)[O-]    mol12583    -1_1
Cn1cnc(C(=O)O)c1C(=O)[O-]    mol12583    -1_2
Cn1cnc(C(=O)[O-])c1C(=O)O    mol12583    -1_3
Cn1cnc(C(=O)[O-])c1C(=O)[O-]    mol12583    -2_1