(+)-9-[(1S,4R)-2,3-Dideoxy-2,3-didehydro-2-fluoro-4-thio-beta-L-ribofuranosyl]guanosine 2-Amino-9-(3-fluoro-5-hydroxymethyl-2,5-dihydro-thiophen-2-yl)-9H-purin-6-ol AIDS-163232 AIDS163232