pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.44999980926514	QSARToolbox	0	-1	CC(=O)Oc1ccccc1C(=O)NCCC(=O)O	CC(=O)Oc1ccccc1C(=O)NCCC(=O)[O-]	mol34739	CC(=O)Oc1ccccc1C(=O)NCCC(=O)O