(E)-5-(2-Bromovinyl)-1-[3-deoxy-3-C-(hydroxymethyl)-.beta.-D-arabino-pentofuranosyl uracil 130351-63-2 2,4(1H,3H)-Pyrimidinedione, 5-(2-bromoethenyl)-1-[3-deoxy-3-(hydroxymethyl)-.beta.-D-arabinofuranosyl]-, (E)- 3'-Hydroxymethyl Ara-5-Br-vinyl-U AIDS-001764 AIDS001764