glutathione = L-cysteinylglycine + 5-oxo-L-proline
glutathione = l-cysteinylglycine + 5-oxo-l-proline
glutathione = L-cysteinylglycine + 5-oxo-L-proline
glutathione = l-cysteinylglycine + 5-oxo-l-proline