Synonyms: 1,5-Methano-1H,7H,11H-furo[3,4-g]pyrano[3,2-b]xanthene-7,15-dione,3,3a,4,5-tetrahydro-8-hydroxy-3,3,11,11-tetramethyl-1,13-bis(3-methyl-2-butenyl)-,(1R,3aS,5S,14aS)- (9CI);1,5-Methano-1H,7H,11H-furo[3,4-g]pyrano[3,2-b]xanthene-7,15-dione, 3,3a,4,5-tetrahydro-8-hydroxy-3,3,11,11-tetramethyl-1,13-bis(3-methyl-2-butenyl)-,[1R-(1a,3ab,5a,14aS*)]- (8CI); Morellin, deoxy- (7CI); Deoxymorellin; Desoxymorellin