690275-01-5
4'-bromoacetophenone N-tert-butyldimethylsilylhydrazone
→
~87%
69151-18-4
1-bromo-4-(1-bromoethenyl)benzene
766-96-1
(4-溴苯基)乙炔
+
778641-02-4
(E)-1-溴-4-(2-溴乙烯基)苯