1 CBO Carbenoxolone 1.000 2 CBW (3beta,5beta,14beta)-3-hydroxy-11-oxoolean-12-en-29-oic acid 0.786 3 AF7 (3alpha,8alpha,17alpha,18alpha)-3-(acetyloxy)-11-oxours-12-en-23-oic acid 0.773 4 2I4 3alpha-[(3-carboxy-3-methylbutanoyl)oxy]-8alpha,9beta,10alpha,13alpha,17alpha,19beta-lup-20(29)-en-28-oic acid 0.729