7374-59-6
1,1,3,3-tetrachloro-2,2,4,4-tetramethylcyclobutane
→
~53%
30494-12-3
2,2,4,4-tetramethylbicyclo[1.1.0]butane
114310-70-2
1,1,3,3-tetramethyl-2,4-dichlorocyclobutane