Wiktionary
etiracetam
n. A nootropic racetam drug whose biologically active optical form is levetiracetam.
Wikipedia
Etiracetam
Etiracetam is a chemical compound belonging to the racetam family, which was delveloped as a nootropic drug. It is racemic; its biologically active enantiomeric form is levetiracetam, now marketed as an antiepileptic drug.