25282-60-4
hexahydro-2,4,1-(propane[1,1,3]triyl)pentalene-5,8(1h)-dione
→
~70%
142436-72-4
4,10-dibromotetracyclo[6.3.0.0~2,6~.0~5,9~]undecane-3,11-dione