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