僅用于工業應用或科學研究,不可用于人類或動物的臨床診斷或治療,非藥用.Betulinic acid (ALS-357, Lupatic acid, Betulic acid), a pentacyclic triterpenoid from Syzigium claviflorum, is a inhibitor of HIV-1 with EC50 of 1.4 μ M. It's reported that Betulinic acid acts as a new activator of NF-κB.Phase 1/2.