The molecule is a triterpenoid saponin of the class of cucurbitane glycosides isolated from the roots of Machilus yaoshansis. It has been shown to exhibit inhibitory activity against protein tyrosine phosphatase. It has a role as a plant metabolite and an EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor. It is a beta-D-glucoside, a hexacyclic triterpenoid, a monosaccharide derivative and a triterpenoid saponin.
(1S,2S,10R,11R,14R,15R,16R,17S,21S,23R)-16,17,21-trihydroxy-1,6,6,11,14,16,19,19-octamethyl-8-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-18,22-dioxahexacyclo[12.10.0.02,11.05,10.015,23.017,21]tetracosa-4,8-diene-7,12-dione