(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'S,3'S,5'S)-1'-[(S)-1-(9H-Fluoren-9-ylmethoxycarbonyl)-pyrrolidine-2-carbonyl]-2'-(2-methyl-propenyl)-2-oxo-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-5'-carboxylic acid methyl ester

Demethoxyfumitremorgin C

(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

(1S,3S)-2-[(S)-1-(9H-Fluoren-9-ylmethoxycarbonyl)-pyrrolidine-2-carbonyl]-1-(2-methyl-propenyl)-2,3,4,9-tetrahydro-1H-β-carboline-3-carboxylic acid methyl ester

Benzyl-{1-cyano-2-[(S)-3-(3-methyl-but-2-enyl)-2-oxo-2,3-dihydro-1H-indol-3-yl]-ethyl}-carbamic acid benzyl ester

(S)-3-(3-Methyl-but-2-enyl)-3-((E)-2-nitro-vinyl)-1,3-dihydro-indol-2-one