(1R,5S,6R,7R)-2-Aza-6,7-dihydroxybicyclo[3.2.1]oct-3-one

5-Deoxy-4a(R)-hydroxy-4a-carba-α-D-xylo-hexofuranose

(1R,5R,6R,7S,8R)-7-Azido-6,8-dihydroxy-2-oxabicyclo[3.3.0]octan-3-one

(1R,5R,8R)-8-Acetoxy-2-oxabicyclo[3.3.0]oct-6-en-3-one

(1R,5R,8R)-8-Hydroxy-2-oxabicyclo[3.3.0]oct-6-en-3-one