oxiracetam and its Impurities

oxiracetam is used to treat cognitive impairments and has beneficial effects on cerebrovascular impairments and multi-infarct dementia. It is a nootropic drug of the racetam family and very mild stimulant. Reference standards of Oxiracetam API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.