2-Bromo-6-chloro-3-(chloromethyl)-4-(trifluoromethoxy)pyridine
6-Bromo-4-chloro-3-(chloromethyl)-2-(trifluoromethoxy)pyridine
4-Bromo-2-fluoro-5-nitro-3-(trifluoromethoxy)pyridine
5-Bromo-3-fluoro-2-nitro-4-(trifluoromethoxy)pyridine
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