pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.28	IUPAC digitized pKa	1	0	[NH3+]c1cc2ccc(Cl)cc2nn1,Nc1cc2ccc(Cl)cc2n[nH+]1,Nc1cc2ccc(Cl)cc2[nH+]n1	Nc1cc2ccc(Cl)cc2nn1	mol4561	Nc1cc2ccc(Cl)cc2nn1