4,5-Dihydroxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Amino-3-bromo-2-(trifluoromethoxy)pyridine-5-acetonitrile
4,5-Difluoro-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
4,5-Dihydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
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