Synonyms: 2-Oxetanone,3-ethyl-4-(8-hydroxy-1,3,5,7,9-pentamethyl-6-oxo-3-undecenyl)-, [3S-[3a,4b(1R*,3E,5S*,7R*,8S*,9S*)]]-; 2-Oxetanone,3-ethyl-4-[(1S,3E,5R,7S,8R,9R)-8-hydroxy-1,3,5,7,9-pentamethyl-6-oxo-3-undecenyl]-,(3S,4S)- (9CI); (-)-Ebelactone B; Ebelactone B; NSC 335651