2-Bromo-4-(bromomethyl)-6-iodo-3-(trifluoromethoxy)pyridine
4-Bromo-3-(bromomethyl)-5-methyl-2-(trifluoromethoxy)pyridine
4-Bromo-3-(bromomethyl)-2-methyl-5-(trifluoromethoxy)pyridine
2-Bromo-4-(bromomethyl)-3-iodo-5-(trifluoromethoxy)pyridine
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