<1R-(1α,2β,3β,4β,5β)>-5-Azido-1-(hydroxymethyl)-2,3-(isopropylidenedioxy)-1,4-cyclopentanediol

<1R-(1α,2β,3β,4β,5β)>-5-Azido-1,1':2,3-bis(isopropylidenedioxy)-1-methylcyclopentan-4-ol