pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.09	IUPAC digitized pKa	1	0	COC(=O)[C@@H]([NH3+])CCSC	COC(=O)[C@@H](N)CCSC	mol8559	COC(=O)[C@@H](N)CCSC