Isoscoparins R and S, two new ent-clerodane diterpenoids from Isodon scoparius
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Two new ent-clerodane diterpenoids, named isoscoparins R and S (1 and 2), were isolated from the aerial parts of Isodon scoparius. Their structures were characterized mainly by analyzing the NMR and HRESIMS data, and the relative configuration of compound 1 wa... ...
