pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.43	IUPAC digitized pKa	0	-1	CCOC(=O)[C@@H](CC)C(=O)O	CCOC(=O)[C@@H](CC)C(=O)[O-]	mol10011	CCOC(=O)C(CC)C(=O)O
3.9	IUPAC digitized pKa	0	-1	CCOC(=O)[C@@H](CC)C(=O)O	CCOC(=O)[C@@H](CC)C(=O)[O-]	mol10011	CCOC(=O)C(CC)C(=O)O
3.4300000667572	QSARToolbox	0	-1	CCOC(=O)[C@@H](CC)C(=O)O	CCOC(=O)[C@@H](CC)C(=O)[O-]	mol10011	CCOC(=O)C(CC)C(=O)O