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