5-Amino-2,4-dihydroxy-3-(trifluoromethoxy)pyridine
2,5-Dichloro-3-(trifluoromethoxy)pyridine-6-sulfonamide
2,4-Difluoro-6-hydroxy-3-(trifluoromethoxy)pyridine
2,4-Difluoro-3-hydroxy-6-(trifluoromethoxy)pyridine
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