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An immunosuppressive agent used to prevent organ rejection in kidney transplant recipients and to treat severe rheumatoid arthritis.
(Pharmacology) a synthetic drug that suppresses the normal immune responses of the body and is administered orally during and after organ transplantation and also in certain types of autoimmune disease. Formula: C9H7N7O2S
[C20: from aza- + thio- + p(u)rine]