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从河南省信阳地区产冬凌草叶中分得两种新的对映-贝壳杉烯型二萜化合物,命名为信阳冬凌草甲素和乙素,经光谱和化学方法证明,它们的结构分别为1和2.
Two new enantiomer-kaempferol-type diterpene compounds were isolated from the leaves of Heterodera japonica from Xinyang, Henan Province. They were named Xinyang Oridonin and B, and their structures were confirmed by spectroscopic and chemical methods 1 and 2 respectively.