4-Fluoro-2-methoxy-3-(trifluoromethoxy)pyridine-5-acetic acid
6-Cyano-4-fluoro-2-iodo-3-(trifluoromethoxy)pyridine
5-Fluoro-3-methoxy-4-(trifluoromethoxy)pyridine-2-acetic acid
Methyl 5-chloro-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetate