SPL Set ID: a48e6ef2-48ad-4fcf-9e67-dbba83ab0b79

Leflunomide is a pyrimidine synthesis inhibitor. The chemical name for leflunomide is 4-Isoxazolecarboxamide, 5-methyl-N-[4-(trifluoromethyl)-phenyl]-. It has an empirical formula C12H9F3N2O2, a molecular weight of 270.21 and the following structural formula: Leflunomide tablets are available for oral administration as film coated tablets containing 10, or 20 mg of active drug. Combined with leflunomide are the following inactive ingredients: colloidal silicon dioxide, crospovidone, hypromellose, lactose monohydrate, magnesium stearate, polyethylene glycol, povidone, corn starch, talc, titanium dioxide, and yellow ferric oxide (20 mg tablet only). chemicalstructure