pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.29	OCHEM	0	-1	O=C(O)C=Cc1ccco1	O=C([O-])C=Cc1ccco1	mol32436	O=C(O)C=Cc1ccco1
4.28999996185303	QSARToolbox	0	-1	O=C(O)C=Cc1ccco1	O=C([O-])C=Cc1ccco1	mol32436	O=C(O)C=Cc1ccco1