methyl 3-O-benzyl-N-benzyloxycarbonyl-2,6-imino-2,5,6-trideoxy-α-D-lyxo-hexofuranoside

3,4-dibenzyloxy-1,5-imino-1,2,5-trideoxy-D-arabino hexitol

methyl N-benzyloxycarbonyl-3-O-benzyl-2,6-dideoxy-2,6-imino-α-D-mannofuranoside

(4aR,8aS)-2,2-dimethyl-4,4a,6,8a-tetrahydro[1,3]dioxino[5,4-b]pyridine-5-carboxylic acid tert-butyl ester

(S)-6-(tert-butyldiphenylsilanyloxymethyl)-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester