6-(Difluoromethyl)-2-hydroxy-3-nitropyridine-4-acetonitrile
5-(Difluoromethyl)-4-hydroxy-2-methyl-3-(trifluoromethyl)pyridine
Ethyl 2-(difluoromethyl)-3-hydroxy-5-methoxypyridine-6-acetate
Methyl 4-(difluoromethyl)-3-hydroxy-2-methoxypyridine-5-acetate