Cyclopenta(b)pyrrole-2-carboxylic acid, 1-(2-((1-(ethoxycarbonyl)-3-phenylpropyl)amino)-1-oxopropyl)octahydro-, (2S-(1(R*(R*)),2alpha,3abeta,6abeta))-
(2S-(1(R*(R*)),2alpha,3abeta,6abeta))-1-(2-((1-(Ethoxycarbonyl)-3-phenylpropyl)amino)-1-oxopropyl)octahydrocyclopenta(b)pyrrole-2-carboxylic acid