2-(Difluoromethyl)-5-nitro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-(Bromomethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-acetonitrile
3-Nitro-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-carbonyl chloride
2-(Difluoromethyl)-4-nitro-5-(trifluoromethoxy)pyridine-3-carboxaldehyde