Methyl 2-(difluoromethyl)-4-hydroxy-3-methylpyridine-5-acetate
2-Amino-4-chloro-3-(trifluoromethoxy)pyridine-5-acetic acid
Methyl 4-fluoro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-acetate
2-(Bromomethyl)-5-(difluoromethyl)-4-methoxypyridine-3-carboxylic acid