2-(Difluoromethyl)-4-hydroxy-3-(trifluoromethyl)pyridine-5-carboxylic acid
5-(Difluoromethyl)-2-hydroxy-3-(trifluoromethyl)pyridine-4-carboxaldehyde
2-(Chloromethyl)-4-(difluoromethyl)-3-hydroxypyridine-6-carboxaldehyde
5-(Chloromethyl)-2-(difluoromethyl)-3-hydroxypyridine-6-methanol