154-42-7 2-Amino 6MP 2-Amino-6-mercaptopurine 2-Amino-9H-purine-6-thiol 2-Aminopurin-6-thiol 2-Aminopurine-6(1H)-thione 6-Mercaptoguanine 6-Thioguanine 6H-Purine-6-thione, 2-amino-1,7-dihydro- AIDS-021096 AIDS021096 BW 5071 Lanvis NSC752 Purine-6(1H)-thione, 2-amino- TG Tabloid Tioguanin Tioguanine Wellcome U3B