(3-(difluoromethylene)-1-methylcyclobutyl)benzene

(2,2-difluoro-1-methyl-3-methylidenecyclobutyl)benzene

4-(二氟亚甲基)-4,5-二氢-3H-吡唑

5-(difluoromethylidene)-3,3-dimethyl-4H-pyrazole

4-(difluoromethylidene)-5,5-dimethyl-3H-pyrazole