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