71503-82-7

(1aR,2S,5aS,6S,8S,9aR,11R,11aR)-6,8-Bis(acetyloxy)-1a,2,3,4,5a,6,7,8,9,9a,10,11-dodecahydro-11-hydroxy-5a,9,9-trimethyl-13-methylene-5H-2,11a-ethanobenzo[5,6]cyclodec[1,2-b]oxirene-5,12-dione