5-((2-((((9-beta-D-ribofuranosyl-9H-purin-6-yl)thio)acetyl)amino)ethyl)amino)-1-naphthalenesulfonate
5-((2-((((9-beta-d-ribofuranosyl-9h-purin-6-yl)thio)acetyl)amino)ethyl)amino)-1-naphthalenesulfonate