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