三螺[呋喃-2(3H),2'-[2H]环戊二烯并[b]呋喃并-5'(3'H),14''-[1H,14H]茚并[4,5-b]吡喃并[3'',4'':2',3']环戊二烯并[1',2':5,6]萘并[1,2-i]吩嗪-3''(4''H),2'''(3'''H)-呋喃]-13'',21''-二酮,3'a,4,4',4''',4''a,5,5'',5''',6',6'',6'a,6''a,6''b,7'',8'',8''a
184770-08-9