methyl 2-((3S,7R,8aS)-5-oxo-3-((1-tosyl-1H-indol-3-yl)methyl)hexahydro-5H-oxazolo[3,2-a]pyridin-7-yl)acetate

(2S,3S)-2-(3-Benzyl-thioureido)-3-methyl-pentanoic acid [(S)-1-hydroxymethyl-2-(1H-indol-3-yl)-ethyl]-amide

(6R,10aS)-2-(tert-butyldiphenylsilyl)-6-(2-methylprop-1-en-1-yl)-2,10,10a,11-tetrahydro-6H,8H-oxazolo[3',4':1,7]azepino[5,4,3-cd]indol-8-one

{(1S,3S)-2-Benzyl-1-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-9-methyl-2,3,4,9-tetrahydro-1H-β-carbolin-3-yl}-acetonitrile

(R)-1-{(2S,3S)-2-[[(S)-2-[1-(4,4-Dimethyl-2,6-dioxo-cyclohexylidene)-ethylamino]-3-(1H-indol-3-yl)-propyl]-(2-nitro-benzenesulfonyl)-amino]-3-methyl-pentanoyl}-pyrrolidine-2-carboxylic acid tert-butyl ester