2,5-Diiodo-3-nitro-4-(trifluoromethoxy)pyridine
3,4-Diiodo-5-methyl-2-(trifluoromethoxy)pyridine
2,6-Diiodo-3-methyl-4-(trifluoromethoxy)pyridine
2,4-Diiodo-3-methyl-5-(trifluoromethoxy)pyridine
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