COc1ccc(N)cc1C(=O)O    mol22713    0_1
COc1ccc([NH3+])cc1C(=O)[O-]    mol22713    0_2
COc1ccc([NH3+])cc1C(=O)O    mol22713    1_1
COc1ccc(N)cc1C(=O)[O-]    mol22713    -1_1