Methyl 3,5-dimethoxy-2-(trifluoromethoxy)pyridine-4-carboxylate
4,5-Diiodo-2-(trifluoromethoxy)pyridine-3-acetonitrile
Methyl 3,4-dimethoxy-5-(trifluoromethoxy)pyridine-2-carboxylate
4,5-Diiodo-3-(trifluoromethoxy)pyridine-2-acetonitrile
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