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