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