1-(2,3-Anhydro-.beta.-D-lyxofuranosyl)-4-hydroxylamino-2-(1H)pyrimidinone 114551-19-8 2,4(1H,3H)-Pyrimidinedione, 1-(2,3-anhydro-.beta.-D-lyxofuranosyl)-, 4-oxime AIDS-001004 AIDS001004