3-Chloro-4-(difluoromethyl)-5-nitropyridine-2-carboxaldehyde
3-Chloro-2-(difluoromethyl)-5-iodopyridine-6-sulfonyl chloride
6-Chloro-2-(difluoromethyl)-3-nitropyridine-4-carboxaldehyde
Methyl 2-chloro-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-4-carboxylate