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