pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.94	IUPAC digitized pKa	1	0	Cn1cccc([NH3+])c1=O	Cn1cccc(N)c1=O	mol6358	Cn1cccc(N)c1=O