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