Ethyl 2,4-dihydroxy-6-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3,5-dihydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate
4,5-Diamino-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
4,5-Diamino-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
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