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