(1alpha,2beta,4alpha)-(+-)-4-(6-Amino-9H-purin-9-yl)-2-fluorocyclopentanemethanol 125356-68-5 2',3'-Dideoxy-3'-fluoroaristeromycin 2,3-Dfam Cyclopentanemethanol, 4-(6-amino-9H-purin-9-yl)-2-fluoro-, (1alpha,2beta,4alpha)-(+-)-