pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.71	AttenGpKa training set	0	-1	O=[N+]([O-])C(c1ccccc1)[N+](=O)[O-]	O=[N+]([O-])[C-](c1ccccc1)[N+](=O)[O-]	mol27895	O=[N+]([O-])C(c1ccccc1)[N+](=O)[O-]