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