Methyl 4-(bromomethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-3-acetate
2-(Chloromethyl)-4-iodo-5-methoxy-3-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-5-hydroxy-2-methoxy-6-(trifluoromethoxy)pyridine
Methyl 5-(bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetate