Methyl 4-chloro-2-nitro-3-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-chloro-6-iodo-2-(trifluoromethoxy)pyridine-4-carboxylate
4-Chloro-2-(chloromethyl)-3-iodo-5-(trifluoromethoxy)pyridine
Methyl 5-chloro-3-nitro-4-(trifluoromethoxy)pyridine-2-carboxylate