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