(3R,3aR,5aS,5bR,7aS,11aS,11bR)-3-异丙基-3A,5A,5B,8,8,11A-六甲基-2,3,3A,4,5,5A,5B,6,7,7A,8,9,10,11,11A,11B,12,13-十八氢-1H-环戊二烯并[a]屈
21681-17-4