Methyl 2-(aminomethyl)-3-chloro-4-(difluoromethyl)pyridine-6-acetate
2-(Aminomethyl)-3-chloro-5-(difluoromethyl)-6-fluoropyridine
3-(Aminomethyl)-2-chloro-6-(difluoromethyl)pyridine-4-acetic acid
3-(Bromomethyl)-6-chloro-4-(difluoromethyl)-2-fluoropyridine