1-(3-(Hydroxymethyl)-4,5-dihydroxy-2-cyclopenten-1-yl)-4-hydroxy-2-pyridone 130378-89-1 2(1H)-Pyridinone, 1-(4,5-dihydroxy-3-(hydroxymethyl)-2-cyclopenten-1-yl)-4-hydroxy-, (1R-(1alpha,4beta,5beta))- 3-Deaza-cpe-U 3-Deazacyclopentenylcytosine