pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.9	IUPAC digitized pKa	0	-1	O=[N+]([O-])C(F)(F)C(O)(C(F)(F)F)C(F)(F)F	O=[N+]([O-])C(F)(F)C([O-])(C(F)(F)F)C(F)(F)F	mol9258	O=[N+]([O-])C(F)(F)C(O)(C(F)(F)F)C(F)(F)F
3.90000009536743	QSARToolbox	0	-1	O=[N+]([O-])C(F)(F)C(O)(C(F)(F)F)C(F)(F)F	O=[N+]([O-])C(F)(F)C([O-])(C(F)(F)F)C(F)(F)F	mol9258	O=[N+]([O-])C(F)(F)C(O)(C(F)(F)F)C(F)(F)F