2-(Chloromethyl)-3-(difluoromethyl)-4-hydroxypyridine-6-acetic acid
Methyl 3-(bromomethyl)-5-(difluoromethyl)-2-hydroxypyridine-6-acetate
Methyl 2-(aminomethyl)-3-(difluoromethyl)-5-hydroxypyridine-4-acetate
3-(Difluoromethyl)-4-hydroxy-2-nitropyridine-5-carbonyl chloride