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