2-(Bromomethyl)-5-chloro-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine
6-(Bromomethyl)-3-chloro-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
2-(Bromomethyl)-5-chloro-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine
6-(Bromomethyl)-2-chloro-4-nitro-3-(trifluoromethoxy)pyridine