UsesN-(Piperidin-4-yl)-4''-(trifluoromethyl)-biphenyl-2-carboxamide is a reagent used in the preparation of lomitapide mesylate crystal forms. Lomitapide mesylate is a microsomal triglyceride transfer protein inhibitor which can lower the level of low density lipoprotein cholesterol in plasma. Lomitapide (L469435) metabolite.