Synonyms: 4H-Cyclopenta[b]furan-4-one,2,3,3a,6a-tetrahydro-2-hydroxy-6a-(hydroxymethyl)-3-(2-propenylidene)-,(2R,3E,3aR,6aR)- (9CI); 4H-Cyclopenta[b]furan-4-one,2,3,3a,6a-tetrahydro-2-hydroxy-6a-(hydroxymethyl)-3-(2-propenylidene)-, [2R-(2a,3E,3ab,6ab)]-; (+)-Didemnenone A; Didemnenone A