(S)-Ethyl 2-(1-(2-phenylacetyl)pyrrolidine-2-carboxamido)acetate

Noopept (Russian: Ноопепт; GVS-111, N-phenylacetyl-L-prolylglycine ethyl ester) is a peptide promoted and prescribed in Russia and neighbouring countries as a nootropic. The registered brand name Noopept (Ноопепт) is trademarked by the manufacturer JSC LEKKO Pharmaceuticals. The compound is patented in both the US and Russia with patent of Russian Federation number 2119496, U.S. Patent 5,439,930 issued 8/8/1995. It is sold as a dietary supplement in the US and as a medication in other countries.[which?]