pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.77	IUPAC digitized pKa	0	-1	CCOC(=O)[C@@H](C)SCC(=O)O	CCOC(=O)[C@@H](C)SCC(=O)[O-]	mol10250	CCOC(=O)C(C)SCC(=O)O