852561-60-5
ethyl 3-phenyl-4,4-difluoro-3-butenoate
→
~82%
862458-01-3
Ethyl 4,4-difluoro-3-phenylbutanoate
1610-04-4
2-溴-2,2-二氟-1-苯乙酮
862457-96-3
(E)-ethyl 4-bromo-4,4-difluoro-3-phenyl-2-butenoate