(5S,6R)-1-(p-Methoxybenzyl)-5-<(tert-butyldimethylsilyl)oxy>-6-<(benzyloxy)methyl>-2-piperidinone

(1S,4R)-4-Azido-1-benzoyloxycyclopent-2-ene

(1R,4S)-2-(p-Methoxybenzyl)-2-azabicylo(2.2.1)heptane-3,6-dione

(1R,2S,4S)-1-[(tert-Butyloxycarbonyl)amino]-2-hydroxy-4-[(methoxymethoxy)methyl]cyclopentane