螺[2H-1-苯并吡喃-3(4H),4'-[4H]环戊二烯并[b]呋喃]-2,2',4(3'H)-三酮,5'-乙烯基-3'a,5',6',6'a-四氢-3',5,5'-三甲基-, (3R,3'S,3'aS,5'R,6'aR)-(9CI)
158204-54-7