methyl (2R,3aR,3a1S,4S,5R,5aS,10bR)-4-(benzyloxy)-3a-ethyl-8-methoxy-6-methyl-1-oxo-2-((triisopropylsilyl)oxy)-2,3,3a,4,5a,6,11,12-octahydro-3a1,5-epoxyindolizino[8,1-cd]carbazole-5(1H)-carboxylate

5-{{4-[1-Benzyloxy-meth-(E)-ylidene]-hexanoyl}-[2-(6-methoxy-1-methyl-1H-indol-3-yl)-ethyl]-amino}-[1,3,4]oxadiazole-2-carboxylic acid methyl ester