pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.76999998092651	QSARToolbox	0	-1	O=[N+]([O-])Nc1ccc([N+](=O)[O-])cc1	O=[N+]([O-])[N-]c1ccc([N+](=O)[O-])cc1	mol23835	O=[N+]([O-])Nc1ccc([N+](=O)[O-])cc1