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