4-Methyl-3-nitro-6-(trifluoromethoxy)pyridine-2-sulfonamide
5-Chloro-4-(chloromethyl)-3-(difluoromethyl)-2-methylpyridine
2-Bromo-4-(chloromethyl)-6-(difluoromethyl)pyridine-3-carboxaldehyde
Methyl 3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylate