3-(Difluoromethyl)-5-hydroxy-4-nitro-2-(trifluoromethyl)pyridine
3-(Difluoromethyl)-5-hydroxy-6-methylpyridine-2-carbonyl chloride
Methyl 4-(aminomethyl)-2-(difluoromethyl)-3-hydroxypyridine-6-acetate
3-(Chloromethyl)-6-(difluoromethyl)-2-hydroxy-4-nitropyridine