Synonyms: 6(2H)-Benzofuranone,2-(1,3-benzodioxol-5-yl)-3,3a,7,7a-tetrahydro-3a,4-dimethoxy-3-methyl-7-(2-propenyl)-,(2R,3S,3aS,7S,7aR)- (9CI); 6(2H)-Benzofuranone,2-(1,3-benzodioxol-5-yl)-3,3a,7,7a-tetrahydro-3a,4-dimethoxy-3-methyl-7-(2-propenyl)-,[2R-(2a,3b,3ab,7a,7ab)]-; Fargesone A