4-(Aminomethyl)-2-iodo-3-(trifluoromethoxy)pyridine-6-acetonitrile
2-(Difluoromethyl)-3-iodo-4-methyl-5-(trifluoromethoxy)pyridine
3-(Aminomethyl)-5-iodo-6-(trifluoromethoxy)pyridine-2-acetonitrile
3-(Chloromethyl)-5-iodo-2-methyl-4-(trifluoromethoxy)pyridine