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