4-(Aminomethyl)-6-(difluoromethyl)-2-hydroxypyridine-3-acetic acid
2-(Difluoromethyl)-3-hydroxy-4-nitropyridine-5-carbonyl chloride
Ethyl 6-(chloromethyl)-3-(difluoromethyl)-4-hydroxypyridine-2-acetate
Methyl 3-(chloromethyl)-4-(difluoromethyl)-2-hydroxypyridine-5-acetate