(3S,4S)-N-benzyloxycarbonyl-3-hydroxy-4-((S)-1,2-dihydroxyethyl)piperidine

5-O-(tert-butyldiphenylsilyl)-3-C-(2'-hydroxyethyl)-3-deoxy-1,2-O-isopropylidene-β-D-lyxofuranose

5-O-(tert-butyldiphenylsilyl)-3-C-(2'-O-methanesulfonyl-2'-hydroxyethyl)-3-deoxy-1,2-isopropylidene-β-D-lyxofuranose

(1'S,3S,4S)-N-benzyloxycarbonyl-3-benzyloxy-4-(1'-benzyloxy-2'-hydroxy)ethyl piperidine

(1'S,3S,4S)-N-benzyloxycarbonyl-3-benzyloxy-4-(2',2'-bisthioethyl-1'-benzyloxy)ethyl piperidine