(2S,4S)-4-allyl-5-oxopyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

(2S,4s)-4-烯丙基-1-(叔丁氧基羰基)吡咯烷-2-羧酸

(2S,4S,5R)-4,5-diallyl-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 2-methyl ester

tert-butyl (2S,4S)-4-allyl-2-{[(2S)-2-cyano-1-pyrrolidinyl]carbonyl}-1-pyrrolidinecarboxylate

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

1-tert-butyl 2-methyl (2S,4S)-4-propyl-1,2-pyrrolidinedicarboxylate

(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