(+-)-(1alpha,2beta,3beta,4alpha)-4-(6-Amino-9H-purin-9-yl)-1,2,3-cyclopentanetriol 1,2,3-Cyclopentanetriol, 4-(6-amino-9H-purin-9-yl)-, (1alpha,2beta,3beta,4alpha)- (+-)- 142635-42-5 4-(6-Amino-9H-purin-9-yl)-1,2,3-cyclopentanetriol 5'-Noraristeromycin