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