8'-benzyl-8-methyl-2,3,8,8aR,2',3',8',8'aR-octahydro-1H-1'H-[3aS,3'aS]bipyrrolo[2,3-b]indole

5-benzyl-(5aR,6aR,11bS,11cS)-bis(2-azidoethyl)-7-methyl-5,5a,6a,7-tetrahydrofuro[2,3-b:5,4-b']diindole

(3aS,8aR,3'aS,8'aR)-7-Iodo-1,1',8'-trimethyl-1,2,3,8a,2',3',8',8'a-octahydro-1'H-[3a,3'a]bi[pyrrolo[2,3-b]indolyl]-8-carboxylic acid tert-butyl ester