pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.45	IUPAC digitized pKa	1	0	Cn1ccc[nH+]c1=O	Cn1cccnc1=O	mol4163	Cn1cccnc1=O
2.5	Datawarrior	1	0	Cn1ccc[nH+]c1=O	Cn1cccnc1=O	mol4163	Cn1cccnc1=O