pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.09	AttenGpKa training set	0	-1	O=[N+]([O-])c1[nH]nc(-c2ccccc2)c1[N+](=O)[O-]	O=[N+]([O-])c1[n-]nc(-c2ccccc2)c1[N+](=O)[O-]	mol25552	O=[N+]([O-])c1[nH]nc(-c2ccccc2)c1[N+](=O)[O-]