4-Bromo-6-hydroxy-3-nitro-2-(trifluoromethoxy)pyridine
6-Amino-2-chloro-4-(trifluoromethoxy)pyridine-3-methanol
6-Amino-3-chloro-4-(trifluoromethoxy)pyridine-2-methanol
5-Bromo-3-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine
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