(2S,3aS,6aS)-1-((S)-2-(((R)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)amino)propanoyl)octahydrocyclopenta[b]pyrrole-2-carboxylic acid
(2S,3aS,6aS)-1-((S)-2-(((R)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)amino)propanoyl)octahydrocyclopenta[b]pyrrole-2-carboxylic acid