5-(Difluoromethyl)-3-hydroxy-4-nitropyridine-2-sulfonyl chloride
4-(Chloromethyl)-3-(difluoromethyl)-5-hydroxy-2-(trifluoromethyl)pyridine
6-(Difluoromethyl)-4-hydroxy-2-(trifluoromethyl)pyridine-3-carboxaldehyde
2-(Chloromethyl)-5-(difluoromethyl)-4-hydroxy-3-(trifluoromethyl)pyridine