pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.09999990463257	QSARToolbox	0	-1	NC(O)=C(O)c1ccccc1	NC([O-])=C(O)c1ccccc1,NC(O)=C([O-])c1ccccc1	mol35231	NC(O)=C(O)c1ccccc1