pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.62	IUPAC digitized pKa	0	-1	CC(CCCC(=O)O)(N(F)F)N(F)F	CC(CCCC(=O)[O-])(N(F)F)N(F)F	mol9915	CC(CCCC(=O)O)(N(F)F)N(F)F