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