2,4,7-trideoxy-5,6-O-isopropylidene-2,4-di-C-methyl-D-glycero-L-ido-heptose trimethylene dithioacetal

(R)-1-((3aS,5S,6R,6aS)-2,2,6-Trimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-ethane-1,2-diol