pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.88	IUPAC digitized pKa	1	0	[NH3+]Cc1ccc(CC(=O)O)cc1	[NH3+]Cc1ccc(CC(=O)[O-])cc1	mol11044	NCc1ccc(CC(=O)O)cc1