1,3-oxathiolane deriv. 1-(2-Hydroxymethyl-3-oxo-1,3-oxathiolan-5-yl)-cytosine 131086-23-2 160552-54-5 (2R,3R,5S) 160552-55-6 (2R,3S,5S) 2(1H)-Pyrimidinone, 4-amino-1-[2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl]-, (2a,5a)- AIDS-001151 AIDS001151