5-(Fluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetonitrile
2-Iodo-3-methyl-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-(Fluoromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine-2-acetonitrile
3-(Difluoromethyl)-6-iodo-2-methyl-4-(trifluoromethoxy)pyridine