4-Cyano-3-(difluoromethyl)-2-hydroxy-5-methylpyridine
Methyl 3-cyano-4-(difluoromethyl)-5-methoxypyridine-2-acetate
4-Chloro-5-(chloromethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Amino-4-(difluoromethyl)-5-fluoro-2-(trifluoromethyl)pyridine