(3R,4S,5R)-5-Allyl-4-(tert-butyl-dimethyl-silanyloxy)-2-hydroxy-3-methoxy-5-methyl-cyclopent-1-enecarboxylic acid ethyl ester

(2R)-2-methyl-4-penten-1-ol

3(R)-4-[N-benzyl-N-(tert-butyloxycarbonyl)]amino-3-methyl-1-butanal

4(R)-5-[N-benzyl-N-(tert-butyloxycarbonyl)]amino-4-methyl-1-pentene

5(R),3(R)-6-[N-benzyl-N-(tert-butyloxycarbonyl)]amino-2,5-dimethyl-2-nitro-3-hexanol