Methyl 3-methoxy-4-nitro-5-(trifluoromethoxy)pyridine-2-acetate
3-(Chloromethyl)-4-(difluoromethyl)-6-methoxy-2-(trifluoromethoxy)pyridine
2-(Bromomethyl)-6-methoxy-3-nitro-4-(trifluoromethoxy)pyridine
3-(Chloromethyl)-4-(difluoromethyl)-2-methoxy-6-(trifluoromethoxy)pyridine