Ethyl 2-chloro-5-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate
2-Cyano-5-fluoro-4-(trifluoromethoxy)pyridine-3-acetic acid
Ethyl 6-chloro-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
6-Cyano-4-fluoro-2-(trifluoromethoxy)pyridine-3-acetic acid