pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.07	IUPAC digitized pKa	0	-1	CCOC(=O)CC(=O)CC	CCOC(=O)[CH-]C(=O)CC	mol10010	CCOC(=O)CC(=O)CC