Synonyms: 4H,5aH,9H-Furo[2,3-b]furo[3',2':2,3]cyclopenta[1,2-c]furan-2,4,7(3H,8H)-trione,9-(1,1-dimethylethyl)-10,10a-dihydro-8,9-dihydroxy-, [5aR-(3aS*,5aa,8b,8aS*,9a,10aa)]-;4H,5aH,9H-Furo[2,3-b]furo[3',2':2,3]cyclopenta[1,2-c]furan-2,4,7(3H,8H)-trione,9a-tert-butyl-10,10ab-dihydro-8a,9-dihydroxy-, (-)- (8CI);(-)-Bilobalide;Bilobalid;