(5R)-5-(piperidine-1-carbonyl)pyrrolidin-2-one (5R)-5-[oxo-(1-piperidyl)methyl]-2-pyrrolidinone (5R)-5-(piperidine-1-carbonyl)-2-pyrrolidone (5R)-5-piperidin-1-ylcarbonylpyrrolidin-2-one 110958-19-5 C13311 Fasoracetam NS 105 (R)-1-((5-Oxo-2-pyrrolidinyl)carbonyl)piperidine N-(5-Oxo-D-prolyl)piperidine NS 105 (pharmaceutical) Piperidine, 1-((5-oxo-2-pyrrolidinyl)carbonyl)-, (R)- LAM-105 NS-105