2,4-Dibromo-3-nitro-5-(trifluoromethoxy)pyridine
2,3-Dibromo-4-nitro-5-(trifluoromethoxy)pyridine
4-(Chloromethyl)-3,6-dibromo-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-2,5-dibromo-4-(trifluoromethoxy)pyridine
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