Synonyms: 7H,9H-9a,6a-Propenofuro[3',4':5,6]naphth[2,1-c]oxireno[d]pyran-3,6,14(1H,3aH)-trione,1-(3-furanyl)-4b,5,9b,10,11,11a-hexahydro-5-hydroxy-4b,7,7,11a-tetramethyl-,[1S-(1a,3aa,4aS*,4bb,5a,6aa,9aa,9ba,11aa)]-; (7a)-Cycloatalantin; Cycloepiatalantin