ethyl 2-((2R,3S,4R,5R,6R)-3,4-dihydroxy-6-((R)-1-hydroxy-2-methylallyl)-5-methyltetrahydro-2H-pyran-2-yl)acetate

(3aS,5R,6R,7R,7aS)-7-hydroxy-5-((R)-1-hydroxy-2-methylallyl)-6-methylhexahydro-2H-furo[3,2-b]pyran-2-one