The molecule is a terpene lactone isolated from the stems and roots of Kadsura lancilimba and has been shown to exhibit anti-HIV activity. It has a role as a metabolite and an anti-HIV agent. It is a terpene lactone, a tricyclic triterpenoid, a delta-lactone and a monocarboxylic acid.
3-[(3R,3aR,10bR)-3a,10b-dimethyl-3-[(1S)-1-[(2S)-5-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-8-propan-2-ylidene-2,3,4,5-tetrahydro-1H-cyclohepta[e]inden-7-yl]propanoic acid