2-Amino-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-acetonitrile
4-Amino-2-(fluoromethyl)-5-iodo-3-(trifluoromethoxy)pyridine
2-Amino-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-6-acetonitrile
5-Amino-4-(fluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine