.alpha.-Pyranoid analog of AZT .alpha.Pyranoid analog of AZT 129779-72-2 2,4(1H,3H)-Pyrimidinedione, 1-(3-azido-2,3,4-trideoxy-.alpha.-DL-threo-hexopyranosyl)-5-methyl- 2,4(1H,3H)-Pyrimidinedione, 1-(3-azido-2,3,4-trideoxy-.alpha.-threo-hexopyranosyl)-5-methyl-. AIDS-001351 AIDS001351