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