Pharmacology General e05fe8a3 Leflunomide used against Rheumatoid arthritis acts by inhibiting: A Ionisne monophosphate dehydrogenase B Dihydroorotate dehydrogenase C Aldehyde dehydrogenase D TNF-α receptor High-Yield Explanation Leflunomide inhibits Dihydroorotate Dehydrogenase and inhibits synthesis of pyrimidine and arrests growth of B-cells.