4-(Difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Aminomethyl)-5-(difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine
4-Fluoro-5-nitro-2-(trifluoromethoxy)pyridine-3-sulfonamide
4-Fluoro-3-nitro-5-(trifluoromethoxy)pyridine-2-sulfonamide