2-(Bromomethyl)-3-cyano-6-nitro-4-(trifluoromethoxy)pyridine
4-Chloro-3-iodo-6-methyl-2-(trifluoromethoxy)pyridine
3-Cyano-6-(fluoromethyl)-2-iodo-4-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-cyano-4-nitro-6-(trifluoromethoxy)pyridine
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