(2S,3aS,8aR)-3a-Allyl-2-((R)-1-methoxycarbonyl-ethylcarbamoyl)-2,3,3a,8a-tetrahydro-pyrrolo[2,3-b]indole-1,8-dicarboxylic acid di-tert-butyl ester

dimethyl (-)-(2S,2'S,3aS,3'aS,8aR,8'aR)-1,1',8,8'-tetramethyl-2,2',3,3',8,8a,8',8'a-octahydro-1H,1'H-3a,3'a-bipyrrolo[2,3-b]indole-2,2'-dicarboxylate

(3R,5aS,10bS,11aS)-10b-Allyl-2-(2-azido-benzoyl)-3-methyl-2,3,6,10b,11,11a-hexahydro-5aH-pyrazino[1',2':1,5]pyrrolo[2,3-b]indole-1,4-dione

Boc-Phe-Trp(Nin-Boc)-Leu-OMe