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