Pharmacology Leflunomide used against Rheumatoid arthritis acts by inhibiting: A Ionisne monophosphate dehydrogenase B Dihydroorotate dehydrogenase C Aldehyde dehydrogenase D TNF-Ξ± receptor π‘ Explanation Leflunomide used against Rheumatoid arthritis acts by inhibiting: β Correct Answer: B. Dihydroorotate dehydrogenase