Synonyms: 9H-1,7a-(Epoxymethano)-1H,6aH-cyclopenta[c]furo[2,3-b]furo[3',2':3,4]cyclopenta[1,2-d]furan-5,9,12(4H)-trione,3-tert-butylhexahydro-2,4,7b,11-tetrahydroxy-8-methyl- (8CI);Ginkgolide A,1,7-dihydroxy-, (1b,7b)-;5H-Dicyclopenta[b,c]furan-3,5a(6H)-diacetic acid,6-tert-butyl-3a-carboxyhexahydro-a5a,1,2,3,5,7,8-heptahydroxy-a3-methyl-, tri-g-lactone (8CI);BN 52022;