3,5-Dihydroxy-4-(trifluoromethoxy)pyridine-2-sulfonamide
4-Fluoro-3-(trifluoromethoxy)pyridine-5-carboxylic acid
3-Fluoro-5-(trifluoromethoxy)pyridine-4-carboxylic acid
3-(Fluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine
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