3-(Chloromethyl)-4-methoxy-5-(trifluoromethoxy)pyridine-2-carboxylic acid
3-(Chloromethyl)-2-methoxy-6-(trifluoromethoxy)pyridine-5-carboxylic acid
3-Methyl-6-nitro-2-(trifluoromethoxy)pyridine-4-acetonitrile
6-(Chloromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-3-acetonitrile