2-(Chloromethyl)-6-(difluoromethyl)-4-hydroxypyridine-3-acetonitrile
6-(Difluoromethyl)-3-hydroxy-2-(trifluoromethyl)pyridine-4-methanol
3-(Difluoromethyl)-4-iodo-2-methoxypyridine-6-carboxaldehyde
2-(Difluoromethyl)-5-hydroxy-3-(trifluoromethyl)pyridine-6-methanol