Methyl 4-(chloromethyl)-5-cyano-3-(difluoromethyl)pyridine-2-carboxylate
3-(Chloromethyl)-4-(difluoromethyl)-2-fluoro-6-hydroxypyridine
5-(Chloromethyl)-3-cyano-4-(difluoromethyl)pyridine-2-acetic acid
4-(Difluoromethyl)-5-fluoro-2-iodo-3-methylpyridine