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