(-)-(2R,5S)-5-Bromo-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]cytosine 145986-29-4 2(1H)-Pyrimidinone, 4-amino-5-bromo-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-, (2R-cis)- AIDS-004786 AIDS004786 Oxathiolan 5BrC-.b.