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