pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.71	IUPAC digitized pKa	0	-1	CCOC(=O)CS[C@@H](C)C(=O)O	CCOC(=O)CS[C@@H](C)C(=O)[O-]	mol10249	CCOC(=O)CSC(C)C(=O)O