Synonyms: 2-Butenoicacid, 2-methyl-,5,6,7,8-tetrahydro-2,3-dimethoxy-6,7-dimethyl-1-oxo-1H,14H-benzo[1,8]cycloocta[1,2,3-cd][1,3]dioxolo[4,5-g]benzofuran-8-ylester, [6R-[6a,7a,8a(Z),14aS*]]-;1H,14H-Benzo[1,8]cycloocta[1,2,3-cd][1,3]dioxolo[4,5-g]benzofuran, 2-butenoicacid deriv.; (-)-Heteroclitin D; Heteroclitin D