108895-43-8 2,4(1H,3H)-Pyrimidinedione, 1-[2-deoxy-3-S-(2-hydroxyethyl)-3-thio-beta-D-erythro-pentofuranosyl]-5-methyl- 3'-Hydroxyethylthio-2',3'-dideoxythymidine 3'-SCH2CH2OH-ddT AIDS-000926 AIDS000926 NSC700462