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*)]- NSC129537 Picrotoxinin Picrotoxinine