574-25-4 6-MP-Riboside 6-MPR 6-Mercaptopurine ribonucleoside 6-Mercaptopurine riboside 6-Thioinosine 6-Thiopurine ribonucleoside 6-Thiopurine riboside 6H-Purine-6-thione, 1,9-dihydro-9-.beta.-D-ribofuranosyl- 9H-Purine-6(1H)-thione, 9-.beta.-D-ribofuranosyl- 9H-Purine-6-thiol, 9-.beta.-D-ribofuranosyl- 9H-Purine-6-thiol, 9-.beta.-D-ribofuransoyl- Inosine, 6-thio- NSC 4911 NSC4911 Ribosyl-6-thiopurine Thioinosine Thionosine Tioinosine