3-Cyano-2-(difluoromethyl)-6-iodopyridine-4-sulfonyl chloride
Ethyl 2-cyano-3-(difluoromethyl)-4-methylpyridine-6-acetate
4-Cyano-2-(difluoromethyl)-6-hydroxy-3-(trifluoromethyl)pyridine
2-Cyano-3-(difluoromethyl)-4-methylpyridine-6-sulfonyl chloride