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