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5-??-2-???????

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???(??):: 5-Sulfo-2-furoic acid;5-Sulfo-2-furancarboxylic acid;5-sulfofuran-2-carboxylic acid;2-Furancarboxylic acid, 5-sulfo-

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??-2-????? ????????? 2,4-???? ???? 2,3,4-?????????? ???? ?? PHENOLDISULFONIC ACID 3,5-Dihydroxybenzoic acid 2-Tetrahydrofuroic acid Ascoric Acid 5-SULFO-2-FUROIC ACID, POTASSIUM SALT 5-Sulfo-2-furancarboxylic acid phosphoric acid