[5-(6-aminopurin-9-yl)-4-[[5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-3-hydroxyoxolan-2-yl]methyl [2-(6-aminopurin-9-yl)-4-hydroxy-5-(hydroxymethyl)oxolan-3-yl] Hydrogen Phosphate;n,n-diethylethanamine