19916-73-5 1H-Purin-2-amine, 6-(phenylmethoxy)- 2-Amino-6-(benzyloxy)purine 2-Amino-6-(phenylmethoxy)-9H-purine 6-Benzyloxyguanine 6-O-BENZYLGUANINE NSC637037 O6-Benzylguanine Purine, 2-amino-6-(benzyloxy)-