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