Synonyms: 2(3H)-Oxoninone,9-[(1R,2R)-2-[(1R,2E,4R)-1,4-dihydroxy-2-nonenyl]cyclopropyl]-4,5,8,9-tetrahydro-,(6Z,9S)- (9CI); 2(3H)-Oxoninone,9-[2-(1,4-dihydroxy-2-nonenyl)cyclopropyl]-4,5,8,9-tetrahydro-, [1R-[1a(6Z,9S*),2b(1R*,2E,4R*)]]-;(-)-Halicholactone; Halicholactone