105265-97-2
methyl N-t-butyloxycarbonyl-O-benzyl-2,6-dideoxy-2,6-imino-α-D-mannofuranoside
→
113000-74-1
(1S,5S,7S,8R)-benzyl 8-(benzyloxy)-7-methoxy-4-oxo-6-oxa-2-azabicyclo[3.2.1]octane-2-carboxylate