Synonyms: 13H-Benzo[a]furo[2,3,4-mn]xanthen-11-ol,1,2,3,4,4a,5,6,6a,11b,13b-decahydro-4,4,6a,9-tetramethyl- (8CI);13H-Benzo[a]furo[2,3,4-mn]xanthen-11-ol,1,2,3,4,4a,5,6,6a,11b,13b-decahydro-4,4,6a,9-tetramethyl-,(4aS,6aS,11bR,13aS,13bS)- (9CI); 13H-Benzo[a]furo[2,3,4-mn]xanthen-11-ol,1,2,3,4,4a,5,6,6a,11b,13b-decahydro-4,4,6a,9-tetramethyl-, [4aS-(4aa,6aa,11ba,13aR*,13ba)]-;Siccanin (7CI); (-)-Siccanin;1,2,3,4,4a,5,6,6a,11b,13b-Decahydro-4,4,6a,9-tetramethyl-13H-benzo[a]furo[2,3,4-mn]xanthen-11-ol;NSC 135048; Tackle