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