pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.74	IUPAC digitized pKa	0	-1	O=C(O)CCN(F)F	O=C([O-])CCN(F)F	mol9107	O=C(O)CCN(F)F