Synonyms: 2-Butenoicacid, 2-methyl-,5-(acetyloxy)-6-formyl-2,3,3a,4,5,8,9,11a-octahydro-10-(hydroxymethyl)-3-methylene-2-oxocyclodeca[b]furan-4-ylester, [3aS-[3aR*,4R*(Z),5R*,6E,10Z,11aS*]]-; Cyclodeca[b]furan, 2-butenoicacid deriv.; Leocarpinolide B