Ethyl 2-chloro-4-(difluoromethyl)-3-iodopyridine-6-carboxylate
3-(Chloromethyl)-4-cyano-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
Methyl 4-(aminomethyl)-2-cyano-3-(difluoromethyl)pyridine-5-acetate
3-Hydroxy-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride