The molecule is a terpene lactone that is a bisnortriterpenoid possessing an aromatic ring. It is isolated from the leaves and stems of Schisandra rubriflora and has been shown to exhibit anti-HIV-1 activity. It has a role as a metabolite and an anti-HIV-1 agent. It is a hexacyclic triterpenoid, a terpene lactone, a cyclic ether and a gamma-lactone.
(3R,7R,10S,16R,18S,19S,20S)-9,9,19-trimethyl-18-[(2S)-4-methyl-5-oxo-2H-furan-2-yl]-4,8,17-trioxahexacyclo[11.10.0.03,7.03,10.014,21.016,20]tricosa-1(13),11,14(21),22-tetraen-5-one