129746-13-0 (R,S,R) 129829-89-6 (R,R,R) 2',3'-Dideoxy-6'-.alpha.-fluoro-carbocyclicguanosine 2-Amino-9-(2-fluoro-3-hydroxymethyl-cyclopentyl)-1,9-dihydro-purin-6-one, (1S, 2S, 3S) 6'-a-F-carbocyclicddG AIDS-001310 AIDS001310