Ethyl 2-(difluoromethyl)-6-iodo-3-(trifluoromethoxy)pyridine-5-acetate
Ethyl 6-(difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine-4-acetate
Ethyl 3-(bromomethyl)-2-methoxy-6-(trifluoromethoxy)pyridine-5-carboxylate
4-(Difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine-5-acetic acid