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