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