pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.83999991416931	QSARToolbox	1	0	[NH3+]CC(=O)Nc1ccccc1C(=O)O	[NH3+]CC(=O)Nc1ccccc1C(=O)[O-]	mol34147	NCC(=O)Nc1ccccc1C(=O)O