89185-24-0
7,7-dibromo-8,8-dichlorobicyclo[4.2.0]octa-1,3,5-triene
→
~29%
82431-14-9
2,2-dibromo-benzocyclobutenone
+
89185-27-3
7,7-dichlorobicyclo[4.2.0]octa-1,3,5-trien-8-one