5-Cyano-2-hydroxy-3-(trifluoromethoxy)pyridine-4-methanol
6-Cyano-3-(difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
3-Cyano-2-methoxy-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
4-Cyano-5-hydroxy-3-(trifluoromethoxy)pyridine-2-methanol
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