pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.3	OCHEM	0	-1	O=C(O)C[C@@H](S)C(=O)O	O=C(O)C[C@@H](S)C(=O)[O-],O=C([O-])C[C@@H](S)C(=O)O	mol31744	O=C(O)C[C@@H](S)C(=O)O