4-Cyano-5-(difluoromethyl)-3-methylpyridine-2-sulfonyl chloride
4-(Aminomethyl)-3-cyano-5-(difluoromethyl)pyridine-2-carboxylic acid
5-Cyano-4-(difluoromethyl)-3-methylpyridine-2-sulfonyl chloride
Ethyl 4-(aminomethyl)-2-cyano-5-(difluoromethyl)pyridine-3-carboxylate