Ethyl 3-methoxy-2-nitro-6-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 2-(difluoromethyl)-6-iodo-3-(trifluoromethoxy)pyridine-5-acetate
3-(Bromomethyl)-2-iodo-6-(trifluoromethoxy)pyridine-4-acetic acid
Methyl 6-(difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine-4-acetate