5-Bromo-2-nitro-4-(trifluoromethoxy)pyridine-3-acetonitrile
2-Chloro-5-(chloromethyl)-3-cyano-6-(trifluoromethoxy)pyridine
5-Chloro-2-(fluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine
4-Bromo-5-nitro-2-(trifluoromethoxy)pyridine-3-acetonitrile
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