pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.62	IUPAC digitized pKa	1	0	[NH3+]c1ccc(O)c(=O)cc1	Nc1ccc(O)c(=O)cc1	mol6318	Nc1ccc(O)c(=O)cc1