2H-Pyran-2-one, 6-(6-(hexahydro-3,4-dihydroxy-3a,4-dimethyl-5-ethylfuro(2,3-b)furan-2-yl)-1,3,5-hexatrienyl)-4-methoxy-5-methyl-, (2R-(2-alpha(1E,3E,5E),3-alpha,3a-beta,4-beta,5-beta,6a-beta))- 79663-49-3 Asteltoxin EV-Toxin