(2R,3S)-2-(tert-butyldimethylsilyloxymethyl)-6-ethoxy-3-(4-nitro-benzoyloxy)-3,6-dihydro-2H-pyridine-1-carboxylic acid benzyl ester

1-deoxy-L-nojirimycin

(2R,3S)-3-hydroxy-2-hydroxymethylpiperidine