CNc1cc(C(=O)O)nc(C(=O)O)c1    mol6425    0_1
C[NH2+]c1cc(C(=O)[O-])nc(C(=O)O)c1    mol6425    0_2
CNc1cc(C(=O)[O-])[nH+]c(C(=O)O)c1    mol6425    0_3
C[NH2+]c1cc(C(=O)[O-])[nH+]c(C(=O)[O-])c1    mol6425    0_4
C[NH2+]c1cc(C(=O)[O-])[nH+]c(C(=O)O)c1    mol6425    1_1
CNc1cc(C(=O)O)[nH+]c(C(=O)O)c1    mol6425    1_2
C[NH2+]c1cc(C(=O)O)nc(C(=O)O)c1    mol6425    1_3
CNc1cc(C(=O)[O-])[nH+]c(C(=O)[O-])c1    mol6425    -1_1
C[NH2+]c1cc(C(=O)[O-])nc(C(=O)[O-])c1    mol6425    -1_2
CNc1cc(C(=O)[O-])nc(C(=O)O)c1    mol6425    -1_3
CNc1cc(C(=O)[O-])nc(C(=O)[O-])c1    mol6425    -2_1