pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.09	Organic Oxygen Acids and Nitrogen Bases	0	-1	O=C(O)CCI	O=C([O-])CCI	mol1930	O=C(O)CCI
4.08	OCHEM	0	-1	O=C(O)CCI	O=C([O-])CCI	mol1930	O=C(O)CCI
4.90000009536743	QSARToolbox	0	-1	O=C(O)CCI	O=C([O-])CCI	mol1930	O=C(O)CCI