6'-Bromo-8'-chloro-4,4-difluoro-2'H-spiro[cyclohexane-1,3'-imidazo[1,5-a]pyridine]-1',5'-dione 1g

6'-Bromo-8'-chloro-4,4-difluoro-2'H-spiro[cyclohexane-1,3'-imidazo[1,5-a]pyridine]-1',5'-dione 1g