pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.4	IUPAC digitized pKa	0	-1	C[C@@H](S[C@H](C)C(=O)O)C(=O)O	C[C@@H](S[C@H](C)C(=O)O)C(=O)[O-]	mol9792	CC(SC(C)C(=O)O)C(=O)O
4.84	IUPAC digitized pKa	-1	-2	C[C@@H](S[C@H](C)C(=O)O)C(=O)[O-]	C[C@@H](S[C@H](C)C(=O)[O-])C(=O)[O-]	mol9792	CC(SC(C)C(=O)O)C(=O)O