英文别名(3S,4aR,6aR,6bS,8aS,11R,12S,12aR,12bS,14aR,14bS)-3-hydroxy-4,4,6a,6b,11,12,14b-heptamethyl-2,3,4,4a,5,6,6a,6b,7,8,10,11,12,12a,14a,14b-hexadecahydro-1H,9H-12b,8a-(epoxymethano)picen-16-one; (3β,5ξ,9ξ,13α,17α,18ξ)-3-Hydroxy-13,28-epoxyurs-11-en-28-one; 3β-Hydroxyurs-11-en-28,13-olide; 3beta-Hydroxy-urs-11-en 28,13-lactone; Ehretiolide; 3β-Hydroxyurs-11-en-28,13β-olide 
