Thiol derivative, a competitive hypoxanthine antagonist, has an immunosuppressive and cytostatic effect. It is used for prevention of rejection reaction in kidney transplantation, treatment of rheumatoid arthritis, chronic active hepatitis, SLE, dermatomyositis, periarteritis nodosa, acquired hemolytic anemia, gangrenous pyoderma, psoriasis, Crohn's disease, ulcerative colitis and myopathy.

Antidepressant. Strengthens the central adrenergic and serotonergic transfer. Used for the treatment of depressions including anhedonia, psychomotor retardation, insomnia, early awakening, weight loss, loss of interest in life, suicidal thoughts and mood swings.