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