4-Bromo-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetonitrile
3-Bromo-2-(difluoromethyl)-6-methyl-5-(trifluoromethoxy)pyridine
4-Bromo-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetonitrile
3-Bromo-2-(difluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine