4-Bromo-2-nitro-3-(trifluoromethoxy)pyridine-5-acetonitrile
6-Chloro-2-fluoro-4-methyl-3-(trifluoromethoxy)pyridine
5-Bromo-3-nitro-4-(trifluoromethoxy)pyridine-2-acetonitrile
4-Chloro-5-(fluoromethyl)-2-methyl-3-(trifluoromethoxy)pyridine
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