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