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