benzyl (2S,3R)-3-((tert-butyldimethylsilyl)oxy)-2-(hydroxymethyl)piperidine-1-carboxylate

(2R,3R)-3-(tert-Butyl-dimethyl-silanyloxy)-2-formyl-piperidine-1-carboxylic acid benzyl ester

1-benzyl 2-methyl (2R,3R)-3-((tert-butyldimethylsilyl)oxy)piperidine-1,2-dicarboxylate

benzyl (2S,3R)-3-((tert-butyldimethylsilyl)oxy)-2-((Z)-3-methoxy-3-oxoprop-1-en-1-yl)piperidine-1-carboxylate

(2S,3R)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((1S,2S)-1,2-dihydroxy-2-methoxycarbonyl-ethyl)-piperidine-1-carboxylic acid benzyl ester