Synonyms: 2-Propenoicacid, 2-(hydroxymethyl)-,2,3,3a,4,5,8,9,11a-octahydro-10-(hydroxymethyl)-6-methyl-3-methylene-2-oxocyclodeca[b]furan-4-ylester, [3aR-(3aR*,4S*,6E,10Z,11aR*)]-; Germacra-1(10),4,11(13)-trien-12-oicacid, 6a,8a,15-trihydroxy-, 12,6-lactone, 8-(2-methylenehydracrylate)(8CI); Cyclodeca[b]furan, 2-propenoic acid deriv.; (+)-Onopordopicrin;Onopordopicrin