5-(Difluoromethyl)-2-hydroxy-4-methoxypyridine-3-acetic acid
3-Chloro-4-(difluoromethyl)-2-fluoropyridine-5-carboxaldehyde
2-Chloro-3-methoxypyridine-6-carbonyl chloride
2-(Aminomethyl)-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride