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