2-Bromo-6-(bromomethyl)-3-(difluoromethyl)pyridine-4-carboxylic acid
2-Chloro-5-(difluoromethyl)-3-hydroxy-6-methylpyridine
2-(Aminomethyl)-6-chloro-3-(difluoromethyl)-4-hydroxypyridine
3-Bromo-2-(bromomethyl)-4-(difluoromethyl)pyridine-6-acetic acid