(+)-(2R,5R)-5-Chloro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]uracil 145986-14-7 2,4(1H,3H)-Pyrimidinedione, 5-chloro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-, (2R-trans)- AIDS-004775 AIDS004775 Oxathiolan 5ClU-.a.