4-Chloro-6-cyano-2-(difluoromethyl)pyridine-3-carboxylic acid
3-Chloro-6-(chloromethyl)-2-(difluoromethyl)-5-fluoropyridine
3-(Aminomethyl)-2-bromo-4-(difluoromethyl)pyridine-6-carboxylic acid
5-Chloro-2-(chloromethyl)-4-(difluoromethyl)-3-fluoropyridine