pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.67	AttenGpKa training set	0	-1	CC(C)COCC(=O)O	CC(C)COCC(=O)[O-]	mol22259	CC(C)COCC(=O)O