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