5-Cyano-3-methoxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Chloro-5-(fluoromethyl)-2-methyl-6-(trifluoromethoxy)pyridine
5-Cyano-4-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Chloro-4-(fluoromethyl)-2-methyl-6-(trifluoromethoxy)pyridine