(-)-5-bromo-7-fluorospiroheptane-2,2'-<1,3>dioxolane>-7-methanol

spirohept-5-ene-2,2'-<1,3>-dioxolane>-7-methanol

(1S,4S,7S)-7-fluorospiro[bicyclo[2.2.1]heptane-2,2'-[1,3]dioxolan]-5-ene-7-carbaldehyde

7(R*)-<3(S*)-hydroxy-2-fluoro-1(E)-octenyl>bicyclo<2.2.1>hept-5-en-2-one