3-Bromo-2,6-dihydroxy-4-(trifluoromethoxy)pyridine
3,5-Diiodo-2-methyl-6-(trifluoromethoxy)pyridine
4-Bromo-3,6-dihydroxy-2-(trifluoromethoxy)pyridine
4-Amino-3-(difluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine
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