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