Ethyl 3-cyano-2-hydroxy-6-(trifluoromethoxy)pyridine-5-acetate
Ethyl 6-cyano-4-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 2-cyano-4-methyl-3-(trifluoromethoxy)pyridine-5-carboxylate
2-Chloro-6-iodo-3-nitro-4-(trifluoromethoxy)pyridine
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