Synonyms: 3'-Hydroxymethyl Ara-5-Br-vinyl-U;130351-63-2;AC1O52RI;(E)-5-(2-Bromovinyl)-1-(3-deoxy-3-C-(hydroxymethyl)-beta-D-arabino-pentofuranosyl uracil;(E)-5-(2-Bromovinyl)-1-[3-deoxy-3-C-(hydroxymethyl)-.beta.-D-arabino-pentofuranosyl uracil;2,4(1H,3H)-Pyrimidinedione, 5-(2-bromoethenyl)-1-(3-deoxy-3-(hydroxymethyl)-beta-D-arabinofuranosyl)-, (E)-;2,4(1H,3H)-Pyrimidinedione, 5-(2-bromoethenyl)-1-[3-deoxy-3-(hydroxymethyl)-.beta.-D-arabinofuranosyl]-, (E)-;5-[(E)-2-bromoethenyl]-1-[(2R,3S,4S,5S)-3-hydroxy-4,5-bis(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione