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