pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.8100004196167	QSARToolbox	0	-1	CCC(=O)/C=C(\O)CC	CCC(=O)/C=C(\[O-])CC,C[CH-]/C(O)=C/C(=O)CC	mol34983	CCC(=O)/C=C(\O)CC