Synonyms: 2-Propenoicacid, 2-methyl-,1a,2,3,6,7,7a,8,9,10a,10b-decahydro-5-(hydroxymethyl)-1a-methyl-8-methylene-9-oxooxireno[9,10]cyclodeca[1,2-b]furan-7-ylester, [1aR-(1aR*,4Z,7S*,7aR*,10aS*,10bR*)]-;Oxireno[9,10]cyclodeca[1,2-b]furan, 2-propenoic acid deriv.; Tomenphantin A