3-O-Acetyl-5-deoxy-1-O,2-O-isopropylidene-β-L-threo-penta-4-enofuranose
3-O-Acetyl-5-deoxy-1-O,2-O-isopropylidene-β-L-threo-penta-4-enofuranose ??
??
3-O-Acetyl-5-deoxy-1-O,2-O-isopropylidene-β-L-threo-penta-4-enofuranose C??? ??, ??, ??
3-O-Acetyl-5-deoxy-1-O,2-O-isopropylidene-β-L-threo-penta-4-enofuranose ?? ?? ? ???
???
?? ??
3-O-Acetyl-5-deoxy-1-O,2-O-isopropylidene-β-L-threo-penta-4-enofuranose ?? ??
???( 0)?? ??
