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