pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.5	IUPAC digitized pKa	1	0	CC(=[NH2+])Nc1ccc(Cl)cc1	CC(=N)Nc1ccc(Cl)cc1	mol3309	CC(=N)Nc1ccc(Cl)cc1