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