3-Fluoro-α-(2-methyl-1-oxopropyl)-γ-oxo-N,β-diphenyl-benzenebutanamide is an intermediate in the synthesis of 3-Fluoro Atorvastatin Sodium Salt (F587915). 3-Fluoro Atorvastatin Sodium Salt is an impurity of Atorvastatin (A791750, Ca Salt); a selective, competitive HMG-CoA reductase inhibitor and the only drug in its class specifically indicated for lowering both elevated LDL-cholesterol and triglyceinhibitorrides in patients with hypercholesterolemia.