pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.57000017166138	QSARToolbox	0	-1	CCOC(=O)CCC(=O)CCC(=O)O	CCOC(=O)CCC(=O)CCC(=O)[O-]	mol34220	CCOC(=O)CCC(=O)CCC(=O)O