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