1-(3-Deoxy-3-C-formyl-.beta.-D-lyxo-pentofuranosyl)uracil-3',5'-O-Hemiacetal 130464-14-1 2,4(1H,3H)-Pyrimidinedione, 1-(hexahydro-3,4-dihydroxyfuro[3,4-b]furan-2-yl)- 3'-Formyl-lyxo-U-Hemiacetal AIDS-001772 AIDS001772