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