2,6-Diamino-3-hydroxy-4-(trifluoromethoxy)pyridine
3,6-Diamino-4-hydroxy-2-(trifluoromethoxy)pyridine
2,3-Diiodo-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Amino-5-chloro-6-hydroxy-2-(trifluoromethoxy)pyridine
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