Methyl 2-chloro-5-cyano-4-(difluoromethyl)pyridine-3-carboxylate
4-Bromo-3-(difluoromethyl)-6-methylpyridine-2-sulfonyl chloride
2-(Aminomethyl)-5-bromo-3-(difluoromethyl)pyridine-4-carboxylic acid
2-(Aminomethyl)-4-bromo-3-(difluoromethyl)pyridine-5-carboxylic acid