pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.83	IUPAC digitized pKa	0	-1	Cn1nc2ncnc(O)c2n1	Cn1nc2ncnc([O-])c2n1	mol8355	Cn1nc2ncnc(O)c2n1
-0.6	IUPAC digitized pKa	1	0	Cn1nc2[nH+]cnc(O)c2n1,Cn1nc2nc[nH+]c(O)c2n1,Cn1nc2ncnc(O)c2[nH+]1,Cn1nc2c(O)ncnc2[nH+]1	Cn1nc2ncnc(O)c2n1	mol8355	Cn1nc2ncnc(O)c2n1