(-)-(2S,5S)-5-Bromo-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]uracil 149819-49-8 2,4(1H,3H)-Pyrimidinedione, 5-bromo-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-, (2S-trans)- AIDS-005675 AIDS005675 Oxathiolan, 5BrU-(-).a.