pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.01	IUPAC digitized pKa	1	0	CNc1ccc(Cl)n[nH+]1,CNc1ccc(Cl)[nH+]n1,C[NH2+]c1ccc(Cl)nn1	CNc1ccc(Cl)nn1	mol6958	CNc1ccc(Cl)nn1