6165-01-1 6H-Purine-6-thione, 9-butyl-1,9-dihydro- 9-Butyl-6-mercaptopurine 9-Butyl-6MP 9-Butyl-9H-purine-6-thiol 9H-Purine-6-thiol, 9-butyl- BuMP NSC19488 SRI 753 WLN: T56 BN DN FN HNJ D4 ISH