1H,10H-Pyrrolo(1,2-c)purine-9,10,10-triol, 2,6-diamino-4-(((aminocarbonyl)oxy)methyl)-3a,4,8,9-tetrahydro-, (3aS-(3aalpha,4alpha,9alpha,10aR*))- 60537-65-7 Gonyautoxin 3