2-Amino-3-bromo-4-chloro-5-(difluoromethyl)pyridine
3-(Chloromethyl)-5-(difluoromethyl)-2-hydroxypyridine-6-carboxylic acid
3-Chloro-4-cyano-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine
Ethyl 3-(difluoromethyl)-2-fluoro-5-hydroxypyridine-4-carboxylate