(1aR,5S,8S,10R,22aR)-18,19-二去氢-5-(叔丁基) -1,1a,3, 4,5,6,9,10,20,21,22,22a-十二氢-14-甲氧基-3,6-二氧代- 8H-7,10-
1425038-23-8