pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.13	IUPAC digitized pKa	1	0	Cn1nc2c[nH+]cnc2n1,Cn1nc2cncnc2[nH+]1,Cn1nc2cnc[nH+]c2n1,Cn1nc2ncncc2[nH+]1	Cn1nc2cncnc2n1	mol8359	Cn1nc2cncnc2n1