1-((1R,2S,3R)-4-Hydroxymethyl-2,3-dihydroxy-4-cyclopenten-1-yl)cytosine 2(1H)-Pyrimidinone, 4-amino-1-((1R,4R,5S)-4,5-dihydroxy-3-(hydroxymethyl)-2-cyclopenten-1-yl)- 2(1H)-Pyrimidinone, 4-amino-1-(4,5-dihydroxy-3-(hydroxymethyl)-2-cyclopenten-1-yl)-, (1R-(1-alpha,4-beta,5-beta))- 90597-22-1 BRN 4258358 NSC 375575