Ethyl 4-chloro-3-cyano-2-(difluoromethyl)pyridine-5-acetate
2-(Aminomethyl)-5-bromo-6-(difluoromethyl)-3-(trifluoromethyl)pyridine
2-Chloro-5-cyano-4-(difluoromethyl)pyridine-3-sulfonamide
6-(Aminomethyl)-3-bromo-4-(difluoromethyl)-2-(trifluoromethyl)pyridine