1-<(-)-<1α,4α,7R*(E)>-7-(Fluoromethyl)spirohept-5-ene-2,2'-<1,3>dioxolan>-7-yl>-3(S*)-hydroxy-1-octene

rac-(E)-1-((1R,4R,5R)-5-bromo-7-(fluoromethyl)spiro[bicyclo[2.2.1]heptane-2,2'-[1,3]dioxolan]-7-yl)oct-1-en-3-ol

1-<(-)-<1α,4α,5α,7R*(E)>-5-Bromo-7-(fluoromethyl)spiro-heptane-2,2'-<1,3>dioxolan>-7-yl>-3(S*)-acetoxy-1-octene