2-(Difluoromethyl)-5-hydroxy-3-methoxypyridine-6-carboxylic acid
3-(Difluoromethyl)-4-fluoro-6-(trifluoromethyl)pyridine-2-acetic acid
Ethyl 3-(difluoromethyl)-4-hydroxy-2-methoxypyridine-6-carboxylate
Ethyl 2-(difluoromethyl)-5-hydroxy-6-iodopyridine-3-carboxylate