5-Hydroxy-3-nitro-2-(trifluoromethoxy)pyridine
5-(Chloromethyl)-2-nitro-4-(trifluoromethoxy)pyridine
6-Bromo-2,3-diamino-5-(trifluoromethoxy)pyridine
5-Hydroxy-4-nitro-2-(trifluoromethoxy)pyridine
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