5-Cyano-2-methoxy-4-(trifluoromethoxy)pyridine-3-acetic acid
3-Cyano-2-(fluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine
Methyl 4-chloro-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylate
4-Cyano-2-methoxy-5-(trifluoromethoxy)pyridine-3-acetic acid