Dammarane triterpene. Shows antiviral activity with relatively low cytotoxicity.

达玛烷三烯。显示抗病毒活和相当低的细胞毒。

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

桦木醇、桦木酸是具有羽扇烷结构的三化合物，目前的研究发现，它们具有较高的抗肿瘤、抗HIV病毒活，它们的衍生物也有较高的生物活。