Synonyms: 6H-Furo[2',3':4,5]oxazolo[3,2-a]pyrimidin-6-one,2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-7-methyl-, [2R-(2a,3b,3ab,9ab)]-;2,2'-Anhydro(1-b-D-arabinofuranosyl)-5-methyluracil;6H-Furo[2',3':4,5]oxazolo[3,2-a]pyrimidin-6-one,2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-7-methyl- (6CI,7CI,8CI);O2,2'-Anhydro-5-methyluridine;