2-Chloro-1-[1-(4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl]-ethyl-cyanamide 5-(1-Cyanamido-2-chloroethyl)-2'-deoxyuridine AIDS-111080 AIDS111080