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???(??):: jujubogenin;(23R)-16β,23:16,30-Diepoxydammar-24-ene-3β,20-diol;(23R)-16β,23:16,30-Diepoxy-5α-dammar-24-ene-3β,20-diol;Dammar-24-ene-3,20-diol, 16,23:16,30-diepoxy-, (3β,16β,23R)-

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