3-(Difluoromethyl)-4-hydroxy-6-(trifluoromethyl)pyridine-2-carboxylic acid
2-(Aminomethyl)-3-(difluoromethyl)-5-hydroxypyridine-4-acetonitrile
Methyl 2-(bromomethyl)-3-(difluoromethyl)-6-hydroxypyridine-4-carboxylate
5-(Chloromethyl)-4-(difluoromethyl)-3-hydroxypyridine-2-methanol