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