pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.81	AttenGpKa training set	1	0	Cc1c([N+](=O)[O-])cc[n+](O)c1Br	Cc1c([N+](=O)[O-])cc[n+]([O-])c1Br	mol25202	Cc1c([N+](=O)[O-])cc[n+](O)c1Br