Synonyms: Oxepino[2'',3'':5',6']pyrano[2',3':5,6]pyrano[3,2-b]pyrano[2''',3''':5'',6'']pyrano[2'',3'':5',6']pyrano[2',3':5,6]pyrano[2,3-f]oxepin-4,14-diol,13-(1Z,3Z)-1,3,6-heptatrienyl-2,3,4,4a,5a,6,6a,7a,8,9,9a,10a,11,11a,13,14,16a,17a,18,18a,19a,20,20a,21a,22,22a-hexacosahydro-2-(3-hydroxypropyl)-4a,5a,14,17a,18a-pentamethyl-,(2S,4S,4aS,5aR,6aS,7aR,9aS,10aR,11aS,13R,14S,16aR,17aS,18aR,19aS,20aR,21aS,22aR)-(9CI); (-)-Gambierol; Gambierol;Oxepino[2'',3'':5',6']pyrano[2',3':5,6]pyrano[3,2-b]pyrano[2''',3''':5'',6'']pyrano[2'',3'':5',6']pyrano[2',3':5,6]pyrano[2,3-f]oxepin-4,14-diol,13-(1Z,3Z)-1,3,6-heptatrien-1-yl-2,3,4,4a,5a,6,6a,7a,8,9,9a,10a,11,11a,13,14,16a,17a,18,18a,19a,20,20a,21a,22,22a-hexacosahydro-2-(3-hydroxypropyl)-4a,5a,14,17a,18a-pentamethyl-,(2S,4S,4aS,5aR,6aS,7aR,9aS,10aR,11aS,13R,14S,16aR,17aS,18aR,19aS,20aR,21aS,22aR)-