pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.2800002	OCHEM	0	-1	CC=CCC(=O)O	CC=CCC(=O)[O-]	mol32398	CC=CCC(=O)O
4.51	OCHEM	0	-1	CC=CCC(=O)O	CC=CCC(=O)[O-]	mol32398	CC=CCC(=O)O
4.51000022888184	QSARToolbox	0	-1	CC=CCC(=O)O	CC=CCC(=O)[O-]	mol32398	CC=CCC(=O)O