(-)-(2S,5R)-9-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]guanine 149819-75-0 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-, (2S-cis)- AIDS-005700 AIDS005700 OxathiolanG-(-).b.