Carbonic acid 4-[(3aS,4R,10R)-4-(4-fluoro-phenylamino)-1-oxo-3a,4,9,10-tetrahydro-3H-2-oxa-9,10a-diaza-cyclopenta[b]fluoren-10-yl]-2,6-dimethoxy-phenyl ester methyl ester

(1S,3S)-3-Cyanomethyl-1-[2-(tert-butyldiphenylsilyloxy)ethyl]-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole

N-(4-fluorophenylsulfonyl)-L-valyl-L-tryptophanol

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

(6S,12bR)-1,2,3,6,7,12b-hexahydro-6-(hydroxymethyl)indolo[2,3-a]quinolizin-4(12H)-one