New polymorphic forms of N-[4-(trifluoromethyl)benzyl]-4-methoxybutyramide

摘要

Crystalline polymorphic forms of a compound of formula N-[4-(trifluoromethyl)benzyl]-4-methoxybutyramide are described. The two polymorphic forms, named polymorphic Form A and polymorphic Form B, can be used in the treatment of drug addiction and alcoholism and have very good stability. Methods for preparing the polymorphic forms are also described.