2-(Fluoromethyl)-3-hydroxy-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
4-(Difluoromethyl)-2-iodo-3-methyl-6-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-5-iodo-6-methyl-2-(trifluoromethoxy)pyridine
5-Iodo-3-nitro-4-(trifluoromethoxy)pyridine-2-acetic acid