pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.75	QSARToolbox	0	-1	CCCC(=O)Oc1ccccc1C(=O)O	CCCC(=O)Oc1ccccc1C(=O)[O-]	mol35187	CCCC(=O)Oc1ccccc1C(=O)O