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