5-Bromo-4-(fluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine
3-Chloro-2-iodo-6-nitro-5-(trifluoromethoxy)pyridine
6-(Chloromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-carboxamide
6-Bromo-2-chloro-3-(difluoromethyl)pyridine-4-acetonitrile