(-)-(2S,5S)-5-Iodo-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]cystosine 149819-54-5 2(1H)-Pyrimidinone, 4-amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-5-iodo-, (2S-trans)- AIDS-005687 AIDS005687 Oxathiolan, 5IC-(-).a.