is marketed under the trade name Keppra . Keppra is manufactured by UCB Pharmaceuticals Inc. Since November 2008 the drug has been available as a generic brand in the United States. Read more... Edit at Wikipedia... Other names (2S)-2-(2-Oxo-1-pyrrolidinyl)butanamide (IUPAC Name); (2S)-2-(2-Oxopyrrolidin-1-yl)butanamide; (aS)-alpha-Ethyl-2-oxo-1-pyrrolidineacetamide; (Alphas)-alpha-ethyl-2-oxo-1-pyrrolidineacetamide; 2(S)-(2-oxopyrrolidin-1-yl)butyramide; Etiracetam levo-isomer; Keppra XR; Sib s1;