Acetic acid (1S,2R)-2-methyl-3-oxo-1-[(S)-1-((4R,5R)-2,2,5-trimethyl-[1,3]dioxolan-4-yl)-ethyl]-propyl ester

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