C[NH+](C)c1cc(C(=O)[O-])[nH+]c(C(=O)[O-])c1    mol6423    0_1
C[NH+](C)c1cc(C(=O)[O-])nc(C(=O)O)c1    mol6423    0_2
CN(C)c1cc(C(=O)O)nc(C(=O)O)c1    mol6423    0_3
CN(C)c1cc(C(=O)[O-])[nH+]c(C(=O)O)c1    mol6423    0_4
CN(C)c1cc(C(=O)O)[nH+]c(C(=O)O)c1    mol6423    1_1
C[NH+](C)c1cc(C(=O)O)nc(C(=O)O)c1    mol6423    1_2
C[NH+](C)c1cc(C(=O)[O-])[nH+]c(C(=O)O)c1    mol6423    1_3
CN(C)c1cc(C(=O)[O-])[nH+]c(C(=O)[O-])c1    mol6423    -1_1
C[NH+](C)c1cc(C(=O)[O-])nc(C(=O)[O-])c1    mol6423    -1_2
CN(C)c1cc(C(=O)[O-])nc(C(=O)O)c1    mol6423    -1_3
CN(C)c1cc(C(=O)[O-])nc(C(=O)[O-])c1    mol6423    -2_1