(2S,4S)-4-Allyl-5-hydroxy-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

(2S,3aS,7aR)-7a-Allyl-octahydro-indole-1,2-dicarboxylic acid 1-benzyl ester

(2S,3aS,7aR)-7a-Allyl-octahydro-indole-1,2-dicarboxylic acid 1-benzyl ester 2-methyl ester

(2S,3aS,7aS)-octahydroindole-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

(2S,3aS,7aS)-2,3,3a,4,7,7a-hexahydroindole-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

(2S,3aS,7aR)-7a-allyl-octahydroindole-1,2-dicarboxylic acid 1-benzyl ester 2-tert-butyl ester

(2S,3aS,7aR,S)-7a-methoxyoctahydroindole-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

(2S,3aS,7aR)-7a-[3-(N-benzyloxycarbonyl-N'-tert-butoxycarbonylamino)-3-methoxycarbonyl-allyl]-octahydroindole-1,2-dicarboxylic acid 1-benzyl ester 2-tert-butyl ester

(2S,3aS,7aR)-7a-Allyl-octahydro-indole-2-carboxylic acid methyl ester

(2S,3aS,7aR)-7a-(2-oxoethyl)-octahydroindole-1,2-dicarboxylic acid 1-benzyl ester 2-tert-butyl ester

tert-butyl (S)-2-((S)-2-((2S,4S)-4-allyl-1-((S)-2-((S)-2-((tert-butoxycarbonyl)(methyl)amino)propanamido)-3,3-dimethylbutanoyl)pyrrolidine-2-carboxamido)-3-(naphthalen-2-yl)propanamido)-3-(4-(prop-2-yn-1-yloxy)phenyl)propanoate