英文同义词:
3β-Acetoxy-13-hydroxyurs-11-ene-28-oic acid lactone;3β-Acetyloxy-13-hydroxyurs-11-en-28-oic acid γ-lactone;O-Acetylursolic acid lactone;3-Acetoxy-11-ursen-28,13-olide;3beta-Acetoxyurs-11-en-28-oic 13(28)-lactone;3β-Acetoxyurs-11-en-28,13β-olide;Urs-11-en-28-oic acid, 3-(acetyloxy)-13-hydroxy-, γ-lactone, (3β)-;3-Acetoxy-11-ursen-28