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