133635-57-1 2',3'-Dideoxy-5'-O-(4-methylbenzoyl)-5-((2-butoxy)methyl)uridine 2',3'-Dideoxyuridine deriv. AIDS-002858 AIDS002858 Benzoic acid, 4-methyl-, [5-[3,4-dihydro-5-[(1-methylpropoxy)methyl]-2,4-dioxo-1(2H)-pyrimidinyl]tetrahydro-2-furanyl]methyl ester