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