Synonym
: (R)-Etiracetam ;|(2R)-2-(2-Oxo-pyrrolidin-1-yl)butanamide|(2R)-2-(2-oxopyrrolidin-1-yl)butanamide|(R)-2-(2-Oxopyrrolidin-1-yl)butanamide|(R)-Etiracetam ; Levetiracetam R-Isomer ; (2R)-2-(2-Oxopyrrolidin-1-yl)butanamide ;|(R)-α-ethyl-2-oxo-1-pyrrolidineacetamide;|(αR)-α-Ethyl-2-oxo-1-pyrrolidineacetamide|Levetiracetam EP Impurity D|Levetiracetam R-Isomer ;|Levetiracetam R-Isomer;