pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.1800000667572	QSARToolbox	0	-1	O=C(O)C(=O)Nc1ccccc1	O=C([O-])C(=O)Nc1ccccc1	mol23292	O=C(O)C(=O)Nc1ccccc1
2.18	AttenGpKa training set	0	-1	O=C(O)C(=O)Nc1ccccc1	O=C([O-])C(=O)Nc1ccccc1	mol23292	O=C(O)C(=O)Nc1ccccc1