pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.32000017166138	QSARToolbox	0	-1	O=C(O)c1cc([N+](=O)[O-])c2cccccc1-2	O=C([O-])c1cc([N+](=O)[O-])c2cccccc1-2	mol34348	O=C(O)c1cc([N+](=O)[O-])c2cccccc1-2