pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.85	IUPAC digitized pKa	1	0	CNc1cc[n+](O)cc1	CNc1cc[n+]([O-])cc1	mol3844	CNc1cc[n+]([O-])cc1