NCc1ccc(C(=O)O)cc1    mol5332    0_1
[NH3+]Cc1ccc(C(=O)[O-])cc1    mol5332    0_2
[NH3+]Cc1ccc(C(=O)O)cc1    mol5332    1_1
NCc1ccc(C(=O)[O-])cc1    mol5332    -1_1