3-Cyano-2-hydroxy-4-iodo-5-(trifluoromethoxy)pyridine
2-Chloro-5-hydroxy-3-methyl-6-(trifluoromethoxy)pyridine
4-Chloro-6-methyl-2-nitro-3-(trifluoromethoxy)pyridine
4-Chloro-2-methyl-5-nitro-3-(trifluoromethoxy)pyridine
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