pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.67999982833862	QSARToolbox	0	-1	CCOP(=O)(CCCCC(=O)O)OCC	CCOP(=O)(CCCCC(=O)[O-])OCC	mol34429	CCOP(=O)(CCCCC(=O)O)OCC