pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.3	AttenGpKa training set	1	0	C[n+]1c[nH]nc1N	C[n+]1c[n-]nc1N	mol25237	C[n+]1c[nH]nc1N