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