1. The Merck Index—An Encyclopedia of Chemicals, Drugs, and Biologicals;O'Neil,2001
2. Levetiracetam;Lyseng-Williamson;Drugs,2011
3. Levetiracetam in the treatment of epilepsy;Abou-Khalil;Neuropsychiatr. Dis. Treat.,2008
4. (S)-α-ethyl-2-oxo-l-pyrrolidineacetamide Compositions;Gobert,1989
5. A synthesis of levetiracetam based on (S)-N-phenylpantolactam as a chiral auxiliary;Boschi;Tetrahedron Asymmetry,2005