4-Methoxy-3-nitro-5-(trifluoromethoxy)pyridine-2-acetonitrile
6-Difluoromethoxy-5-methoxypicolinonitrile
4-Bromo-2,5-diiodopyridine
3-(Chloromethyl)-4-(difluoromethyl)-6-fluoro-2-(trifluoromethyl)pyridine
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