1-(2,3-Anhydro-5-O-trityl-.beta.-D-lyxofuranosyl)thymine 115913-84-3 2,4(1H,3H)-Pyrimidinedione, 1-[2,3-anhydro-5-O-(triphenylmethyl)-.beta.-D-lyxofuranosyl]-5-methyl- 3,6-Dioxabicyclo[3.1.0]hexane, 2,4(1H,3H)-pyrimidinedione deriv. AIDS-002762 AIDS002762 Trityl-epoxide-T