5-Chloro-2,3-dihydroxy-4-(trifluoromethoxy)pyridine
3-Amino-2-bromo-6-hydroxy-4-(trifluoromethoxy)pyridine
3,4-Dichloro-5-methyl-2-(trifluoromethoxy)pyridine
4-Bromo-3,5-dihydroxy-2-(trifluoromethoxy)pyridine
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