pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.0	IUPAC digitized pKa	1	0	c1ccc(N=Nc2cccc[nH+]2)cc1,c1ccc(N=[NH+]c2ccccn2)cc1	c1ccc(N=Nc2ccccn2)cc1	mol3774	c1ccc(N=Nc2ccccn2)cc1