pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.42	IUPAC digitized pKa	0	-1	Oc1ccccc1N=Nc1ccccn1	[O-]c1ccccc1N=Nc1ccccn1	mol11549	Oc1ccccc1N=Nc1ccccn1
1.85	IUPAC digitized pKa	1	0	Oc1ccccc1[NH+]=Nc1ccccn1,Oc1ccccc1N=Nc1cccc[nH+]1,Oc1ccccc1N=[NH+]c1ccccn1	Oc1ccccc1N=Nc1ccccn1	mol11549	Oc1ccccc1N=Nc1ccccn1