3,5-Dihydroxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
4,6-Dihydroxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-(Chloromethyl)-3,6-diamino-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-2,5-diamino-4-(trifluoromethoxy)pyridine
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