2-Methoxy-6-nitro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
Ethyl 5-(difluoromethyl)-3-iodo-4-(trifluoromethoxy)pyridine-2-acetate
Ethyl 6-(difluoromethyl)-2-iodo-4-(trifluoromethoxy)pyridine-3-acetate
Ethyl 2-(difluoromethyl)-3-iodo-4-(trifluoromethoxy)pyridine-5-acetate