5-Bromo-3-(chloromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine
3-Bromo-4-iodo-5-methoxy-2-(trifluoromethoxy)pyridine
3-Bromo-2-iodo-5-methoxy-4-(trifluoromethoxy)pyridine
3-Bromo-5-(chloromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
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