2-Methoxy-5-nitro-6-(trifluoromethoxy)pyridine-3-acetonitrile
2-Methoxy-6-methyl-3-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Methoxy-5-nitro-4-(trifluoromethoxy)pyridine-3-acetonitrile
6-Methoxy-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxylic acid