Dammarane triterpene. Shows antiviral activity with relatively low cytotoxicity.

达玛烷三萜烯。显示抗病毒活当低细胞毒。

Betulin and betulinic acid, the triterpenes of the lupane family, are considered to be potential agents against tumoral cancer and HIV .

桦木、桦木酸是具有羽扇烷三萜化合物，目前研究发现，它们具有较高抗肿瘤、抗HIV病毒活，它们衍生物也有较高生物活。