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