pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.1	IUPAC digitized pKa	0	-1	OCC(F)(F)C(F)(F)CO	[O-]CC(F)(F)C(F)(F)CO	mol9191	OCC(F)(F)C(F)(F)CO
12.1000003814697	QSARToolbox	0	-1	OCC(F)(F)C(F)(F)CO	[O-]CC(F)(F)C(F)(F)CO	mol9191	OCC(F)(F)C(F)(F)CO
13.7	IUPAC digitized pKa	-1	-2	[O-]CC(F)(F)C(F)(F)CO	[O-]CC(F)(F)C(F)(F)C[O-]	mol9191	OCC(F)(F)C(F)(F)CO