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