4-(Fluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine-2-acetonitrile
5-(Fluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-4-acetonitrile
4-(Fluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-5-acetonitrile
3-(Fluoromethyl)-5-methyl-2-(trifluoromethoxy)pyridine-6-acetonitrile