(1aR-(1aalpha,2abeta,3beta,6beta,6abeta,8aS*,8bbeta,9R*))-Hexahydro-2a-hydroxy-8b-methyl-9-(1-methylethenyl)-3,6-methano-8H-1,5,7-trioxa cyclopenta(ij)cycloprop(a)azulene-4,8(3H)-dione 17617-45-7 3,6-Methano-8H-1,5,7-trioxacyclopenta(ij)cycloprop(a)azulene-4,8(3H)-dione, hexahydro-2a-hydroxy-8b-methyl-9-(1-methylethenyl)-, (1aR-(1a-alpha,2a-beta,3-beta,6-beta,6a-beta,8as*,8b-beta,9R*))- AI3-41571 NSC 129537 Picrotoxinin Picrotoxinin (from Anamirta cocculus seed) Picrotoxinine