Synonyms: (2alpha,3beta,4beta,19alpha)-2,3,19,23-Tetrahydroxyolean-12-en-28-oic acid;Olean-12-en-28-oic acid, 2,3,19,23-tetrahydroxy-, (2.alpha.,3.beta.,4.beta.,19.alpha.)-;olean-12-en-28-oic acid, 2,3,19,23-tetrahydroxy-, (2alpha,3beta,19alpha)-;Olean-12-en-28-oic acid, 2,3,19,23-tetrahydroxy-, (2alpha,3beta,4beta,19alpha)-