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