Ethyl 6-(difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-acetate
2-(Bromomethyl)-6-iodo-3-methoxy-4-(trifluoromethoxy)pyridine
Methyl 4-iodo-3-methyl-2-(trifluoromethoxy)pyridine-6-acetate
Methyl 4-iodo-2-methyl-6-(trifluoromethoxy)pyridine-3-acetate