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从雷公藤(Tripterygium wilfordii Hook)根皮中分离出三个已知二萜内酯化合物:雷公藤内酯酮(Triptonide) (Ⅰ)、雷公藤内酯醇(Triptolide) (Ⅱ)和雷公藤内酯二醇(Tripdiolide)(Ⅲ),其中(Ⅱ)、(Ⅲ)为抗癌有效成份。另外还分到一个新二萜内酯成份,命名为雷酚酮内酯(Triptonolide)。
Three known diterpene lactone compounds were isolated from the root bark of Tripterygium wilfordii Hook: triptonide (I), triptolide (II) and triptolide glycol (Tripdiolide) (III), wherein (II) and (III) are effective anticancer components. There is also a new diterpene lactone component named Triponolide.