2-Amino-5-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-Amino-3-chloro-2-hydroxy-4-(trifluoromethoxy)pyridine
2,3-Dihydroxy-5-iodo-4-(trifluoromethoxy)pyridine
2-Amino-5-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
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