6-(Difluoromethyl)-2-iodo-3-methyl-4-(trifluoromethoxy)pyridine
6-(Chloromethyl)-4-hydroxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-(Chloromethyl)-6-(difluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine
5-(Chloromethyl)-2-(difluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine