pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.7	AttenGpKa training set	0	-1	CCC1=C(O)CCC1=O	CCC1=C([O-])CCC1=O	mol31123	CCC1=C(O)CCC1=O