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