pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.39	IUPAC digitized pKa	1	0	COc1ccccc([NH3+])c1=O	COc1ccccc(N)c1=O	mol6322	COc1ccccc(N)c1=O