pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.2	AttenGpKa training set	1	0	C[n+]1cnc2[nH]cnc2c1N	C[n+]1cnc2[n-]cnc2c1N	mol29505	C[n+]1cnc2[nH]cnc2c1N