pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.1	IUPAC digitized pKa	0	-1	CC(C)OO	CC(C)O[O-]	mol8992	CC(C)OO
12.1000003814697	QSARToolbox	0	-1	CC(C)OO	CC(C)O[O-]	mol8992	CC(C)OO
11.91333333	AttenGpKa training set	0	-1	CC(C)OO	CC(C)O[O-]	mol8992	CC(C)OO