4-Chloro-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Bromo-5-(chloromethyl)-2-methyl-4-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-3-fluoro-5-methylpyridine-4-acetonitrile
3-Amino-5-bromo-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride