4-Hydroxy-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
5-Hydroxy-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Iodo-2-methoxy-5-(trifluoromethoxy)pyridine
5-Hydroxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
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