Methyl 3-iodo-4-nitro-2-(trifluoromethoxy)pyridine-6-acetate
Methyl 4-iodo-3-methyl-2-(trifluoromethoxy)pyridine-5-acetate
Methyl 4-(difluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-iodo-2-nitro-6-(trifluoromethoxy)pyridine-4-acetate