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4-hydroxy-2-isopropyl-benzofuran-5-carboxylic acid
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(+-)-4-hydroxy-2-isopropyl-2,3-dihydro-benzofuran-5-carboxylic acid
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7-甲氧基-4-氧代苯并吡喃-2-羧酸乙酯
767259-33-6
7,11b-dihydro-indeno[2,1-c]chromene-3,6a,9,10-tetraol

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