Methyl 2-chloro-5-methoxy-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 6-cyano-2-iodo-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 2-chloro-4-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 2-cyano-6-iodo-4-(trifluoromethoxy)pyridine-3-acetate