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