Ethyl 2-cyano-4-(difluoromethyl)-5-methoxypyridine-3-acetate
3-Cyano-6-(difluoromethyl)-2-nitropyridine-5-sulfonyl chloride
Methyl 4-cyano-6-(difluoromethyl)-2-methoxypyridine-3-acetate
2-(Aminomethyl)-6-cyano-5-(difluoromethyl)-3-(trifluoromethyl)pyridine