tert-butyl (2-((S)-2-((tert-butoxycarbonyl)amino)hex-5-enamido)-2-methylpropanoyl)-L-phenylalanyl-D-prolinate

(-)-(3S,9S,14aR)-9-benzyl-3-(but-3-enyl)-6,6-dimethyldecahydropyrrolo[1,2-a][1,4,7,10]tetraazacyclododecine-1,4,7,10-tetraone

S-(R)-1-[(3S,9S,14aR)-9-benzyl-6,6-dimethyl-1,4,7,10-tetraoxotetradecahydropyrrolo[1,2-a][1,4,7,10]tetraazacyclododecin-3-yl]-7-(tert-butyldimethylsilyloxy)-6-oxooctan-3-yl O-ethyl carbonodithioate

benzyl (S)-2-(dibenzylamino)pent-4-enoate

Bzl-N(Bzl)Glu(OBzl)-OBzl