pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.0	AttenGpKa training set	0	-1	Nn1cnc2ncnc(O)c21	Nn1cnc2ncnc([O-])c21	mol29506	Nn1cnc2ncnc(O)c21