Ethyl 2-iodo-3-nitro-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-iodo-6-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
6-Iodo-2-methyl-4-(trifluoromethoxy)pyridine-3-acetic acid
Methyl 4-iodo-5-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate