A new ent-kauranoid named laxiflorin D (1) was isolated from the leaves of Isodon eriocalyx var. laxiflora, whose structure was determined by the spectroscopic methods.

• 从疏花毛萼香茶菜(Isodon eriocalyx var.；laxiflora)叶中分离得到一新的对映-贝壳杉烷型二萜，命名为疏花丁素(1)，通过波谱方法鉴定了它的结构。