pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.32	AttenGpKa training set	1	0	CCn1[nH+]ccc1[N+](=O)[O-]	CCn1nccc1[N+](=O)[O-]	mol25342	CCn1nccc1[N+](=O)[O-]