81287-01-6
Cyclobutylidenemethyl triflate
→
~6%
1905-06-2
bromomethylidenecyclobutane
+
2987-17-9
环丁基甲醛
53968-66-4
1-bromo-1-bromomethyl-cyclobutane
1120-56-5
亚甲基环丁烷
1192-04-7
1-溴环戊-1-烯