1874-58-4 1H-Purin-2-amine, 6-[(phenylmethyl)thio]- 2-Amino-6-(benzylthio)purine 6-Benzylthioguanine BTG Benzythioguanine NSC15747 Purine, 2-amino-6-(benzylthio)- Purine, 2-amino-6-benzylthio)- SRI 702