2-Bromo-5-chloro-3-nitro-4-(trifluoromethoxy)pyridine
2-Bromo-3-hydroxy-4-methoxy-5-(trifluoromethoxy)pyridine
3-Bromo-6-hydroxy-4-iodo-2-(trifluoromethoxy)pyridine
2-Bromo-4-chloro-3-nitro-5-(trifluoromethoxy)pyridine
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