Ethyl 4-(bromomethyl)-3-chloro-2-(trifluoromethoxy)pyridine-6-acetate
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