4-(Difluoromethyl)-5-nitro-2-(trifluoromethoxy)pyridine-3-sulfonamide
6-(Bromomethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile
2-Nitro-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-carbonyl chloride
2-(Bromomethyl)-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile