3-Hydroxy-2-methyl-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Ethyl 3-iodo-4-methoxy-5-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 3-iodo-2-methoxy-6-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 2-iodo-6-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate