6-Cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid
5-Fluoro-2-(fluoromethyl)-3-methyl-6-(trifluoromethoxy)pyridine
6-Cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
4-Fluoro-2-(fluoromethyl)-6-methyl-3-(trifluoromethoxy)pyridine