Methyl 3-(bromomethyl)-5-cyano-2-(difluoromethyl)pyridine-6-carboxylate
5-(Difluoromethyl)-3-fluoro-4-hydroxypyridine-2-methanol
5-Cyano-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetic acid
6-(Difluoromethyl)-2-fluoro-4-hydroxypyridine-3-methanol