2-Bromo-6-iodo-3-(trifluoromethoxy)pyridine-4-acetonitrile
6-Bromo-4-chloro-3-nitro-2-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-5-methyl-4-nitro-2-(trifluoromethyl)pyridine
5-Fluoro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetonitrile
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