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