6-Purinethiol, 2-amino-9-.beta.-D-ribofuranosyl-, 2',3',5'-tribenzoate 88010-92-8 9H-Purine-6-thiol, 2-amino-9-.beta.-D-ribofuranosyl-, 2',3',5'-tribenzoate Guanosine, 6-thio-, 2',3',5'-tribenzoate NSC30688