pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.03	IUPAC digitized pKa	0	-1	CCOC(=O)C(=O)[C@@H](C)C(=O)OCC	CCOC(=O)C(=O)[C-](C)C(=O)OCC	mol10920	CCOC(=O)C(=O)C(C)C(=O)OCC