4-(Aminomethyl)-3-(difluoromethyl)-5-fluoropyridine-2-acetonitrile
5-(Aminomethyl)-4-(difluoromethyl)-2-fluoropyridine-3-acetonitrile
3-(Chloromethyl)-4-(difluoromethyl)-2-fluoropyridine-5-carboxylic acid
6-(Chloromethyl)-4-(difluoromethyl)-3-fluoropyridine-2-carboxylic acid