pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.44	Datawarrior	0	-1	CCC/C=C(/C)C(=O)O	CCC/C=C(/C)C(=O)[O-]	mol736	CCC/C=C(/C)C(=O)O
4.74	OCHEM	0	-1	CCC/C=C(/C)C(=O)O	CCC/C=C(/C)C(=O)[O-]	mol736	CCC/C=C(/C)C(=O)O
4.44000005722046	QSARToolbox	0	-1	CCC/C=C(/C)C(=O)O	CCC/C=C(/C)C(=O)[O-]	mol736	CCC/C=C(/C)C(=O)O