pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
13.2799997329712	QSARToolbox	0	-1	O=C(Nc1ccc(S(=O)(=O)Oc2ccc([N+](=O)[O-])cc2)cc1)c1ccccc1	O=C([N-]c1ccc(S(=O)(=O)Oc2ccc([N+](=O)[O-])cc2)cc1)c1ccccc1	mol35737	O=C(Nc1ccc(S(=O)(=O)Oc2ccc([N+](=O)[O-])cc2)cc1)c1ccccc1