2-(Chloromethyl)-5-(difluoromethyl)-6-(trifluoromethyl)pyridine-3-sulfonamide
3-Chloro-2-nitro-4-(trifluoromethoxy)pyridine-5-acetonitrile
3-(Difluoromethyl)-2-nitropyridine-5-sulfonamide
2-(Bromomethyl)-6-methoxy-4-methyl-3-(trifluoromethoxy)pyridine