pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.7	IUPAC digitized pKa	0	-1	O=C(O)C=C=Cc1ccccc1	O=C([O-])C=C=Cc1ccccc1	mol11175	O=C(O)C=C=Cc1ccccc1
3.70000004768372	QSARToolbox	0	-1	O=C(O)C=C=Cc1ccccc1	O=C([O-])C=C=Cc1ccccc1	mol11175	O=C(O)C=C=Cc1ccccc1
3.69	AttenGpKa training set	0	-1	O=C(O)C=C=Cc1ccccc1	O=C([O-])C=C=Cc1ccccc1	mol11175	O=C(O)C=C=Cc1ccccc1