Methyl 4-iodo-2-nitro-5-(trifluoromethoxy)pyridine-3-acetate
Methyl 5-iodo-3-nitro-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 2-iodo-3-nitro-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-iodo-5-nitro-4-(trifluoromethoxy)pyridine-2-acetate
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