Two new diterpenoids from Rabdosia japonica var.glaucocalyx

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Two new diterpenoids,named glaucocalyxin F and glaucocalyxin X,respectively,were isolated from the whole plant of Rabdosia japonica (Burro.f.) Hara vat.glaucocalyx (Maxim.) Hara.Their structures was established on the basis of spectral analysis.
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