3,5-Diamino-4-nitro-2-(trifluoromethoxy)pyridine
3,5-Dibromo-2-(trifluoromethoxy)pyridine-4-carboxylic acid
4,5-Diamino-2-nitro-3-(trifluoromethoxy)pyridine
3,4-Dibromo-5-(trifluoromethoxy)pyridine-2-carboxylic acid
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