.alpha.-2'-Deoxythioguanosine .alpha.-TGdR 2133-81-5 6H-Purine-6-thione, 2-amino-9-(2-deoxy-.alpha.-D-erythro-pentofuranosyl)-1,9-dihydro- AIDS-159948 AIDS159948 NSC71851 Thioguanine 9.alpha.D-2'-deoxyriboside