Synonyms: 2H-Pyran-2-one,6-[(1E,3E,5E)-6-[(2R,3R,3aR,4R,5R,6aS)-5-ethylhexahydro-3,4-dihydroxy-3a,4-dimethylfuro[2,3-b]furan-2-yl]-1,3,5-hexatrienyl]-4-methoxy-5-methyl-(9CI); 2H-Pyran-2-one,6-[6-(5-ethylhexahydro-3,4-dihydroxy-3a,4-dimethylfuro[2,3-b]furan-2-yl)-1,3,5-hexatrienyl]-4-methoxy-5-methyl-,[2R-[2a(1E,3E,5E),3a,3ab,4b,5b,6ab]]-; (+)-Asteltoxin; Asteltoxin; EV-toxin