2-(Difluoromethyl)-5-hydroxy-3-methoxy-4-nitropyridine
3-(Difluoromethyl)-2-hydroxy-4-iodopyridine-6-methanol
2-(Chloromethyl)-6-(difluoromethyl)-4-hydroxy-3-methoxypyridine
Methyl 5-(difluoromethyl)-2-fluoro-4-(trifluoromethyl)pyridine-3-carboxylate