This invention relates to novel compounds of the formula [I], which are useful for treatment of various diseases such as immunodeficiency and autoimmune diseases caused by immune disorders, processes for preparing the compounds and compositions containing the compounds as active ingredients. ##STR1##
A novel compound of general formula (I), which is useful for treating diseases caused by various immune disorders such as immunodeficiency or autoimmune disease, a process for producing the same, and a pharmaceutical composition containing the same as an active ingredient.
This invention relates to cysteine derivatives of the formula[I] and salts thereof. ##STR1## The compounds of this invention are useful for immunomodulator and treatment of liver disorder.