pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.68	Datawarrior	0	-1	CC(C)C(=O)CC=O	CC(C)C(=O)[CH-]C=O	mol12444	CC(C)C(=O)CC=O
6.6799998	OCHEM	0	-1	CC(C)C(=O)CC=O	CC(C)C(=O)[CH-]C=O	mol12444	CC(C)C(=O)CC=O
6.67999982833862	QSARToolbox	0	-1	CC(C)C(=O)CC=O	CC(C)C(=O)[CH-]C=O	mol12444	CC(C)C(=O)CC=O