Description General description N-(3-Aminopropyl)-2-pyrrolidinone (PYR) conjugates (VPA-PYR) of valproic acid (VA) have been investigated for their anticonvulsant activity in mice. It is the γ-lactam form of isoputreanine. Application N-(3-Aminopropyl)-2-pyrrolidinone was used in the simultaneous determination of total polyamines and three of their non−α− amino acid metabolites in urine by capillary gas-chromatographic method with nitrogen-phosphorus detection. Packaging 5, 25 g in glass bottle Other Notes Contains varying amounts of 1,5-diazabicyclo[4.3.0]non-5-ene (cat. no. 136581)