2-(Difluoromethyl)-4-hydroxy-5-methoxypyridine-3-acetic acid
5-Amino-4-(difluoromethyl)-3-iodopyridine-2-carboxylic acid
2-(Difluoromethyl)-5-hydroxy-3-methoxypyridine-4-sulfonamide
2-(Bromomethyl)-5-cyano-3-(trifluoromethoxy)pyridine-4-carboxaldehyde