3- O-((alpha- L-arabinopyranosyl)-(1-2))-( beta- D-glucuronopyranosyl-6- O-methyl ester)-olean-12-ene-28-olic acid
3- o-((alpha- l-arabinopyranosyl)-(1-2))-( beta- d-glucuronopyranosyl-6- o-methyl ester)-olean-12-ene-28-olic acid