pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.8	IUPAC digitized pKa	0	-1	CCOO	CCO[O-]	mol8934	CCOO
11.8000001907349	QSARToolbox	0	-1	CCOO	CCO[O-]	mol8934	CCOO
11.45	AttenGpKa training set	0	-1	CCOO	CCO[O-]	mol8934	CCOO