betulin

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

桦木醇、桦木酸是具有羽扇三萜化合物，目前研究发现，它们具有较抗肿瘤、抗HIV病毒活性，它们衍物也有较物活性。