tricyclo<5.3.0.02,8>dec-5-ene-4,9-dione bis(ethylene acetal)

8,9-epoxy-3-cyclodecene-1,6-dione bis(ethylene acetal)

rac-(1'R,2'R,7'S,8'S)-dispiro[[1,3]dioxolane-2,4'-tricyclo[5.3.0.02,8]decane-9',2''-[1,3]dioxolan]-6'-one

tricyclo<5.3.0.02,8>deca-3,5-dien-9-one ethylene acetal