.beta.-D-erythro-Pentofuranurononitrile, 1,2-dideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-4-C-(hydroxymethyl)- 139888-11-2 149252-67-5 (.BETA.-D) 4'-CN-T 4'-Cyanothymidine AIDS-001574 AIDS001574 Thymidine, 4'-cyano-