2,2'-Anhydro-1-(beta-D-arabinofuranosyl)orotic acid hydrazide 2,2'-Anhydro-1-(beta-arabinofuranosyl)orotic acid hydrazide 6H-Furo(2',3'-4,5)oxazolo(3,2-a)pyrimidine-8-carboxylic acid, 2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-6-oxo-, hydrazide, (2R-(2alpha,3beta,3abeta,9abeta))- 76580-72-8 Ara-orotic acid hydrazide