2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile
(3S,4S,5S)-1-(tert-butyloxycarbonyl)-2-<<(tert-butyldimethylsilyl)oxy>methyl>-3-<2-<(tert-butyldimethylsilyl)oxy>ethyl>-4-(1-methylethenyl)pyrrolidine
(2S,3S,4R)-3-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-(tert-butyl-dimethyl-silanyloxymethyl)-4-(2-methyl-oxiranyl)-pyrrolidine-1-carboxylic acid tert-butyl ester
(3S,4S,5S)-2-<1-(tert-butyloxycarbonyl)-4-<2-<(tert-butyldimethylsilyl)oxy>ethyl>-5-<<(tert-butyldimethylsilyl)oxy>methyl>-3-pyrrolidinyl>acrylaldehyde
(2S,3S,4S)-1-(tert-butyloxycarbonyl)-2-<<(tert-butyldimethylsilyl)oxy>methyl>-3-<2-<<(tert-butyloxy)dimethylsilyl>oxy>ethyl>-4-<1-(hydroxymethyl)ethenyl>pyrrolidine