allyl-((1R,2R)-2-hydroxymethylcyclopent-3-enyl)-carbamic acid tert-butyl ester

(2R,3'S)-3,6,1',2',3',6'-hexahydro-2H-[2,3']bipyridinyl-1-carboxylic acid tert-butyl ester

tert-butyl (2R,3'S)-5'-(1,2-dihydroxyethyl)-1'-((4-nitrophenyl)sulfonyl)-1',2',3,3',6,6'-hexahydro-[2,3'-bipyridine]-1(2H)-carboxylate

tert-butyl (2R,3'S)-1'-((4-nitrophenyl)sulfonyl)-5'-vinyl-1',2',3,3',6,6'-hexahydro-[2,3'-bipyridine]-1(2H)-carboxylate

tert-butyl allyl((1R,2S)-2-(((4-nitro-N-(prop-2-yn-1-yl)phenyl)sulfonamido)methyl)cyclopent-3-en-1-yl)carbamate

(2R,3'S)-1'-(4-nitrobenzenesulfonyl)-3,6,1',2',3',6'-hexahydro-2H-[2,3']bipyridinyl-1-carboxylic acid tert-butyl ester