6-Chloro-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Chloro-6-hydroxy-4-iodo-3-(trifluoromethoxy)pyridine
6-Chloro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Chloro-5-hydroxy-6-iodo-3-(trifluoromethoxy)pyridine
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