4-Iodo-3-nitro-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
Ethyl 4-(bromomethyl)-2-iodo-6-(trifluoromethoxy)pyridine-3-carboxylate
4-Iodo-2-nitro-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
5-Iodo-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride