pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.84	OCHEM	0	-1	O=C(O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F	O=C([O-])C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F	mol31923	O=C(O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F