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