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