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?? ???? >8,9-Dihydro-5-hydroxy-8-(1-hydroxy-1-methylethyl)-6-(1-oxobutyl)-4-propyl-2H-furo[2,3-h]-1-benzopyran-2-one
8,9-Dihydro-5-hydroxy-8-(1-hydroxy-1-methylethyl)-6-(1-oxobutyl)-4-propyl-2H-furo[2,3-h]-1-benzopyran-2-one
8,9-Dihydro-5-hydroxy-8-(1-hydroxy-1-methylethyl)-6-(1-oxobutyl)-4-propyl-2H-furo[2,3-h]-1-benzopyran-2-one ??
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8,9-Dihydro-5-hydroxy-8-(1-hydroxy-1-methylethyl)-6-(1-oxobutyl)-4-propyl-2H-furo[2,3-h]-1-benzopyran-2-one C??? ??, ??, ??
8,9-Dihydro-5-hydroxy-8-(1-hydroxy-1-methylethyl)-6-(1-oxobutyl)-4-propyl-2H-furo[2,3-h]-1-benzopyran-2-one ?? ?? ? ???
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8,9-Dihydro-5-hydroxy-8-(1-hydroxy-1-methylethyl)-6-(1-oxobutyl)-4-propyl-2H-furo[2,3-h]-1-benzopyran-2-one ?? ??
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