Dammarane triterpene. Shows antiviral activity with relatively low cytotoxicity.

达玛烷三萜烯。病毒活性和相当低的细胞毒性。

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结构的三萜化，前的研究发现，它们具有较高的肿瘤、HIV病毒活性，它们的衍生也有较高的生活性。