5-Amino-2-(bromomethyl)-3-(trifluoromethoxy)pyridine-6-acetonitrile
3-Amino-4-(bromomethyl)-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine
4-Amino-5-(bromomethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile
4-Amino-5-(bromomethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile