pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.37	IUPAC digitized pKa	0	-1	[NH3+]c1ccc(O)cc1C(=O)[O-],Nc1ccc(O)cc1C(=O)O	Nc1ccc(O)cc1C(=O)[O-]	mol8455	Nc1ccc(O)cc1C(=O)O
2.72	IUPAC digitized pKa	1	0	[NH3+]c1ccc(O)cc1C(=O)O	[NH3+]c1ccc(O)cc1C(=O)[O-],Nc1ccc(O)cc1C(=O)O	mol8455	Nc1ccc(O)cc1C(=O)O