3-Cyano-2-methyl-4-(trifluoromethoxy)pyridine-5-carboxylic acid
5-Cyano-4-iodo-2-methoxy-3-(trifluoromethoxy)pyridine
Methyl 4-chloro-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
6-Cyano-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxylic acid