pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.15	IUPAC digitized pKa	0	-1	O=C(O)/C=C/CCl	O=C([O-])/C=C/CCl	mol9166	O=C(O)/C=C/CCl
4.14	Datawarrior	0	-1	O=C(O)/C=C/CCl	O=C([O-])/C=C/CCl	mol9166	O=C(O)/C=C/CCl
4.1399998664856	QSARToolbox	0	-1	O=C(O)/C=C/CCl	O=C([O-])/C=C/CCl	mol9166	O=C(O)/C=C/CCl