pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.22	IUPAC digitized pKa	0	-1	Cn1cnc2cnc(O)nc21	Cn1cnc2cnc([O-])nc21	mol4886	Cn1cnc2cnc(O)nc21
9.19	Datawarrior	0	-1	Cn1cnc2cnc(O)nc21	Cn1cnc2cnc([O-])nc21	mol4886	Cn1cnc2cnc(O)nc21
9.1899996	OCHEM	0	-1	Cn1cnc2cnc(O)nc21	Cn1cnc2cnc([O-])nc21	mol4886	Cn1cnc2cnc(O)nc21