COC(=O)[C@@H](N)Cc1ccc(O)cc1    mol8594    0_1
COC(=O)[C@@H]([NH3+])Cc1ccc([O-])cc1    mol8594    0_2
COC(=O)[C@@H]([NH3+])Cc1ccc(O)cc1    mol8594    1_1
COC(=O)[C@@H](N)Cc1ccc([O-])cc1    mol8594    -1_1