pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.9	AttenGpKa training set	0	-1	O=[N+]([O-])c1nc2ccccc2[nH]1	O=[N+]([O-])c1nc2ccccc2[n-]1	mol26429	O=[N+]([O-])c1nc2ccccc2[nH]1