3-Cyano-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetic acid
5-Hydroxy-2-iodo-4-(trifluoromethoxy)pyridine-3-methanol
4-Cyano-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetic acid
2-Cyano-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetic acid