6-Cyano-2-methyl-3-nitro-4-(trifluoromethoxy)pyridine
2-(Bromomethyl)-5-cyano-6-methyl-3-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-cyano-5-methyl-4-(trifluoromethoxy)pyridine
2-Cyano-6-(fluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine
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