Methyl 2-(chloromethyl)-3-methyl-5-(trifluoromethoxy)pyridine-6-acetate
Methyl 3-(bromomethyl)-5-(difluoromethyl)-6-methoxypyridine-2-acetate
Methyl 2-(bromomethyl)-3-(difluoromethyl)-6-methoxypyridine-5-acetate
Methyl 2-chloro-3-methoxypyridine-4-acetate