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