pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.07	OCHEM	0	-1	O=C(O)CC=CCl	O=C([O-])CC=CCl	mol33046	O=C(O)CC=CCl
4.69999980926514	QSARToolbox	0	-1	O=C(O)CC=CCl	O=C([O-])CC=CCl	mol33046	O=C(O)CC=CCl