(-)-(2S,5S)-5-Chloro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]uracil 149819-48-7 2,4(1H,3H)-Pyrimidinedione, 5-chloro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-, (2S-trans)- AIDS-005673 AIDS005673 Oxathiolan, 5ClU-(-).a.