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