2-Amino-3-(bromomethyl)-5-(difluoromethyl)-4-(trifluoromethyl)pyridine
Ethyl 3-amino-6-(aminomethyl)-2-(difluoromethyl)pyridine-4-acetate
Ethyl 5-amino-2-(aminomethyl)-4-(difluoromethyl)pyridine-3-acetate
Ethyl 3-amino-6-(difluoromethyl)-2-methylpyridine-5-acetate