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