pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.39	IUPAC digitized pKa	1	0	C[NH2+]c1cnccn1,CNc1cncc[nH+]1,CNc1c[nH+]ccn1	CNc1cnccn1	mol3993	CNc1cnccn1
3.39000010490417	QSARToolbox	1	0	C[NH2+]c1cnccn1,CNc1cncc[nH+]1,CNc1c[nH+]ccn1	CNc1cnccn1	mol3993	CNc1cnccn1