(-)-(2S,5S)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]thymine 149819-46-5 2,4(1H,3H)-Pyrimidinedione, 1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-5-methyl-, (2S-trans)- AIDS-005669 AIDS005669 OxathiolanT-(-).a.