pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.4	IUPAC digitized pKa	1	0	Cn1c(=[OH+])ccn1-c1ccccc1	Cn1c(=O)ccn1-c1ccccc1	mol6864	Cn1c(=O)ccn1-c1ccccc1