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