(2R*,3S*,4S*,5S*)-4,6-isopropylidenedioxy-3,5-dimethyl-2-(2-tetrahydropyranyloxy)hexanal

(2R*)-2-<(1S*,5S*,6R*,7R*)-1,2,6-trimethyl-4-oxo-8,9-dioxabicyclo<3.3.1>non-2-en-7-yl>-1-propanol