Ethyl 2-(aminomethyl)-4-bromo-3-(difluoromethyl)pyridine-6-acetate
Ethyl 2-(aminomethyl)-3-bromo-5-(difluoromethyl)pyridine-6-acetate
3-Chloro-6-(difluoromethyl)-2-hydroxy-5-methylpyridine
Ethyl 2-(aminomethyl)-3-bromo-4-(difluoromethyl)pyridine-6-acetate