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