Synonyms: 2-Butenoicacid, 2-methyl-,8-(acetyloxy)-5,6,7,8-tetrahydro-6-hydroxy-1,2-dimethoxy-6,7-dimethyl-3-oxo-3H,14H-benzo[1,8]cycloocta[1,2,3-cd][1,3]dioxolo[4,5-g]benzofuran-5-ylester, [5S-[5a(Z),6b,7b,8b,14aR*]]-;3H,14H-Benzo[1,8]cycloocta[1,2,3-cd][1,3]dioxolo[4,5-g]benzofuran, 2-butenoicacid deriv.; Kadsulignan F