2-Benzylamino-3-[(S)-3-(3-methyl-but-2-enyl)-2-oxo-2,3-dihydro-1H-indol-3-yl]-propionitrile

methyl (2'S,3S,5'R)-1'-{[(2S)-1-(tert-butoxycarbonyl)pyrrolidin-2-yl]carbonyl}-2'-(2-methylprop-1-en-1-yl)-2-oxo-1,2-dihydrospiro[indole-3,3'-pyrrolidine]-5'-carboxylate

(S)-2-{2-[(R)-3-((E)-3-Hydroxy-3-methyl-but-1-enyl)-2-oxo-2,3-dihydro-1H-indol-3-yl]-1-methoxycarbonyl-ethylcarbamoyl}-pyrrolidine-1-carboxylic acid tert-butyl ester

(2S,3S,5aS,10aR)-1,5a,6,7,8,10a-hexahydro-10a-hydroxy-3-(2-methyl-1-propenyl)spiro[5H,10H-dipyrrolo[1,2-a:1',2'-d]pyrazine-2(3H),3'-[3H]indole]-2',5'10(1'H)-trione

(2'R,3'S,5'S)-1'-((S)-1-tert-Butoxycarbonyl-pyrrolidine-2-carbonyl)-2'-(2-methyl-propenyl)-2-oxo-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-5'-carboxylic acid methyl ester

(2S,3S,5aS,10aS)-1,5a,6,7,8,10a-hexahydro-3-(2-methyl-1-propenyl)spiro[5H,10H-dipyrrolo[1.2-a:1',2'-d]pyrazine-2(3H),3'-[3H]indole]2',5'10(1'H)-trione