1-(3,5-di-O-acetyl-2-S-methyl-2-thiopentofuranosyl)-5-methylpyrimidine-2,4(1H,3H)-dione 2,4(1H,3H)-pyrimidinedione, 1-(3,5-di-O-acetyl-2-S-methyl-2-thiopentofuranosyl)-5-methyl- InChI=1/C15H20N2O7S/c1-7-5-17(15(21)16-13(7)20)14-12(25-4)11(23-9(3)19)10(24-14)6-22-8(2)18/h5,10-12,14H,6H2,1-4H3,(H,16,20,21