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
2,3-Dichloro-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine