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