2-(Difluoromethyl)-3-iodo-5-nitropyridine-4-carboxaldehyde
Ethyl 5-(bromomethyl)-2-cyano-3-(difluoromethyl)pyridine-6-acetate
Methyl 3-(aminomethyl)-2-(difluoromethyl)-6-hydroxypyridine-4-acetate
Methyl 3-fluoro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylate