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