pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.19000005722046	QSARToolbox	0	-1	Nc1nonc1C(=O)O	Nc1nonc1C(=O)[O-]	mol35722	Nc1nonc1C(=O)O