Synonyms: (3'-OHCH2 Ara-5-CH=CHCOOMe)U;130351-61-0;AC1O52M9;(E)-5-(2-(Methoxycarbonyl)vinyl)-1-(3-deoxy-3-C-(hydroxymethyl)-beta-D-arabino-pentofuranosyl)uracil;(E)-5-[2-(Methoxycarbonyl)vinyl]-1-[3-deoxy-3-C-(hydroxymethyl)-.beta.-D-arabino-pentofuranosyl]uracil;2-Propenoic acid, 3-(1-(3-deoxy-3-(hydroxymethyl)-beta-D-arabinofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl)-, methyl ester, (E)-;2-Propenoic acid, 3-[1-[3-deoxy-3-(hydroxymethyl)-.beta.-D-arabinofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-, methyl ester, (E)-;methyl (E)-3-[1-[(2R,3S,4S,5S)-3-hydroxy-4,5-bis(hydroxymethyl)oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]prop-2-enoate