102040-03-9 Olean-12-en-28-oic acid, 3-((2-O-(4-O-(4-carboxy-3-hydroxy-3-methyl-1-oxobutyl)-alpha-L-arabinopyranosyl)-beta-D-glucopyranosyl)oxy)-2,23-dihydroxy-, 28-((O-beta-D-xylopyranosyl)-(1-3)-O-6-deoxy-alpha-L-mannopyranosyl-(1-2)-alpha-L-arabinopyranosyl) ester, intramol ester, (2beta,3beta(S),4alpha)- Tubeimoside 1 Tubeimoside I