Synonyms: Olean-12-en-28-oicacid, 3-[[2-O-[4-O-(4-carboxy-3-hydroxy-3-methyl-1-oxobutyl)-a-L-arabinopyranosyl]-b-D-glucopyranosyl]oxy]-2,16,23-trihydroxy-,28-(O-b-D-xylopyranosyl-(1®3)-O-6-deoxy-a-L-mannopyranosyl-(1®2)-a-L-arabinopyranosyl) ester, intramol. ester, [2b,3b(S),4a,16a]-; Tubeimoside B; Tubeimoside II