pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.28	OCHEM	0	-1	O=C(O)C=Cc1ccccc1F	O=C([O-])C=Cc1ccccc1F	mol33078	O=C(O)C=Cc1ccccc1F
4.28000020980835	QSARToolbox	0	-1	O=C(O)C=Cc1ccccc1F	O=C([O-])C=Cc1ccccc1F	mol33078	O=C(O)C=Cc1ccccc1F