3-Chloro-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetonitrile
4-(Bromomethyl)-3-fluoro-2-iodo-6-(trifluoromethoxy)pyridine
3-Chloro-5-(difluoromethyl)-4-hydroxypyridine-2-acetic acid
3-Chloro-6-(difluoromethyl)-2-hydroxypyridine-4-acetic acid