5427-20-3 6H-Purine-6-thione, 9-ethyl-1,9-dihydro- 9-Ethyl-6-MP 9-Ethyl-6-mercaptopurine 9H-Purine-6(1H)-thione, 9-ethyl- 9H-Purine-6-thiol, 9-ethyl- NSC 14575 NSC14575 WLN: T56 BN DN FN HNJ D2 ISH