2-Hydroxy-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
Methyl 2-iodo-5-methoxy-4-(trifluoromethoxy)pyridine-3-acetate
3-Chloro-4-(difluoromethyl)-5-methylpyridine-2-sulfonamide
Methyl 3-bromo-2-iodo-4-(trifluoromethoxy)pyridine-5-carboxylate