pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.3	AttenGpKa training set	0	-1	Cc1ncnc2ncc(O)nc12	Cc1ncnc2ncc([O-])nc12	mol4819	Cc1ncnc2ncc(O)nc12