Pharmacology General 6044e2db Pentostatin inhibits A Dihydrofolate reductose B Adenosine deaminase C Thymidylate synthase D Uridylate synthose High-Yield Explanation Pentostatin is a purine analogue that inhibits Adenosine deaminase. It is used in cases of Hairy cell leukemia (Doc: Uadiribine).