3-(Chloromethyl)-2,4-dihydroxy-5-(trifluoromethoxy)pyridine
2,6-Dibromo-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
5-(Chloromethyl)-2,3-dihydroxy-6-(trifluoromethoxy)pyridine
4-(Chloromethyl)-2,3-dihydroxy-5-(trifluoromethoxy)pyridine
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