3,5-Dibromo-2-nitro-4-(trifluoromethoxy)pyridine
3-Chloro-2,4-diamino-6-(trifluoromethoxy)pyridine
3,4-Dibromo-5-nitro-2-(trifluoromethoxy)pyridine
6-Chloro-2,3-diamino-4-(trifluoromethoxy)pyridine
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