1-Pyrrolidineacetamide, 2,2-dimethyl-alpha-5-oxo-N-(2-oxo-2-(propylamino)ethyl)- 2,2-Dimethyl-alpha-5-oxo-N-(2-oxo-2-(propylamino)ethyl)-1-pyrrolidineacetamide 2-(alpha-Ethyl-5,5-dimethyl-2-oxo-1-pyrrolidineacetamido)-N-propylacetamide 67117-95-7