13153-27-0 2-Amino-6-((4-nitrobenzyl)thio)-9-beta-D-ribofuranosylpurine 6-(((4-Nitrophenyl)methyl)thio)-9-beta-D-ribofuranosyl-9H-purin-2-amine 6-(4-Nitrobenzylthio)guanosine 6-(p-Nitrobenzylthio)guanosine 9H-Purin-2-amine, 6-(((4-nitrophenyl)methyl)thio)-9-beta-D-ribofuranosyl- (9CI) NBTGR NSC 49813 p-NBTGR