5-Iodo-4-methyl-2-(trifluoromethoxy)pyridine-3-acetonitrile
3-Iodo-2-methyl-6-(trifluoromethoxy)pyridine-4-acetonitrile
6-(Fluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetic acid
2-(Fluoromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-3-acetic acid