2-Hydroxy-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-acetic acid
5-(Difluoromethyl)-2-iodo-4-nitro-3-(trifluoromethoxy)pyridine
3-Hydroxy-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-acetonitrile
6-Hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetic acid