3-Bromo-2-(chloromethyl)-5-iodo-4-(trifluoromethoxy)pyridine
3-Bromo-5-(difluoromethyl)-4-iodo-2-(trifluoromethoxy)pyridine
5-Bromo-4-(difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine
3-Bromo-2-(difluoromethyl)-6-iodo-5-(trifluoromethoxy)pyridine
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