N-benzyloxycarbonyl-3-O-benzyyl-2,5-dideoxy-2,5-imino-D-mannitol

(2R,3R,4R,5R)-N-tert-butoxycarbonyl-3,4-bis(methoxymethyloxy)-5-hydroxymethyl-2-trityloxymethylpyrrolidine

N-benzyl-3,4-di-O-benzyl-2,5-dideoxy-2,5-imino-D-mannitol

1,2:4,5-二-O-异亚丙基-BETA-D-吡喃果糖