2,3-Dihydroxy-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine
3,5-Dihydroxy-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine
Ethyl 5-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate
3,4-Dihydroxy-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine
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