Ethyl 4-(bromomethyl)-6-(difluoromethyl)-2-methylpyridine-3-acetate
Ethyl 4-(bromomethyl)-2-(difluoromethyl)-6-methylpyridine-3-acetate
Ethyl 4-(bromomethyl)-6-(difluoromethyl)-3-methylpyridine-2-acetate
Ethyl 4-chloro-3-(trifluoromethoxy)pyridine-5-acetate