125768-11-8 Boc-pro-dphe-gly-nhet Glycinamide, 1-((1,1-dimethylethoxy)carbonyl)-L-prolyl-(Z)-alpha,beta-didehydrophenylalanyl-N-ethyl- tert-Butyloxycarbonyl-prolyl-dehydrophenylalanyl-glycyl-ethylamide