Ethyl 5-(chloromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-acetate
4-(Bromomethyl)-2-(difluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine
Methyl 2-(chloromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-6-acetate
3-(Bromomethyl)-5-(difluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine