pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.28000020980835	QSARToolbox	0	-1	CCOP(=O)(CCC(=O)O)OCC	CCOP(=O)(CCC(=O)[O-])OCC	mol34273	CCOP(=O)(CCC(=O)O)OCC