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