pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.24	IUPAC digitized pKa	1	0	C[NH2+]c1cc(Cl)ncn1,CNc1cc(Cl)[nH+]cn1,CNc1cc(Cl)nc[nH+]1	CNc1cc(Cl)ncn1	mol4123	CNc1cc(Cl)ncn1