Madecassic acid; Brahmic acid; NSC 88135; Urs-12-en-28-oic acid, 2,3,6,23-tetrahydroxy-, (2alpha,3beta,4alpha,6beta)-; (2alpha,3beta,6beta)-2,3,6,23-tetrahydroxyurs-12-en-28-oic acid; 2,3,6,23-tetrahydroxyurs-12-en-28-oic acid; (2alpha,3beta,5xi,6beta,9xi)-2,3,6,23-tetrahydroxyurs-12-en-28-oic acid