COc1ccccc1[NH+](CC(=O)[O-])CC(=O)O    mol11603    0_1
COc1ccccc1N(CC(=O)O)CC(=O)O    mol11603    0_2
COc1ccccc1[NH+](CC(=O)O)CC(=O)O    mol11603    1_1
COc1ccccc1N(CC(=O)[O-])CC(=O)O    mol11603    -1_1
COc1ccccc1[NH+](CC(=O)[O-])CC(=O)[O-]    mol11603    -1_2