3,7,8,-trideoxy-1,2-O-isopropylidene-3,5-di-C-methyl-α-D-glycero-D-gulo-octofuranose

(Z)-3,5,6,7,8-pentadeoxy-1,2-O-isopropylidene-3,5-di-C-methyl-β-L-lyxo-oct-5-enofuranose