7H-Purinium, 6-amino-7-(5-(5-((((4-bromo-1H-pyrrol-2-yl)carbonyl)oxy)methyl)-1,2,3,4,4a,7,8,8a-octahydro-1,2,4a-trimethyl-1-naphthalenyl)-3-methyl-2-pentenyl)-9-methyl-, (1R-(1alpha(E),2beta,4aalpha,8aalpha))-