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