4-Bromo-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetonitrile
4-Amino-6-(bromomethyl)-2-(difluoromethyl)pyridine-3-carboxaldehyde
2-Hydroxy-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Amino-3-(difluoromethyl)-2-nitropyridine-6-methanol