5-Iodo-2-nitro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Methyl 6-(chloromethyl)-4-iodo-2-(trifluoromethoxy)pyridine-3-acetate
Methyl 2-(chloromethyl)-4-iodo-5-(trifluoromethoxy)pyridine-3-acetate
Methyl 2-(chloromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-5-acetate