2,4(1H,3H)-Pyrimidinedione, 5-ethynyl-1-(3-hydroxy-4-(hydroxymethyl)cyclopentyl)-, (1alpha,3beta,4alpha)-(+-)- 5-Ethynyl-1-(3-hydroxy-4-(hydroxymethyl)cyclopentyl)-2,4(1H,3H)-pyrimidinedione 98736-95-9 Carbocyclic 2'-deoxy-5-ethynyluridine Carbocyclic 5-ethynyl-2'-deoxyuridine Ethynyl-c-edu