1-Piperidinyloxy, 4-(((1-(2-deoxy-beta-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl)methyl)amino)-2,2,6,6-tetramethyl- 132723-75-2 5-(((2,2,6,6-Tetramethyl-1-oxy-4-piperidyl)amino)methyl)-2'-deoxyuridine DUMTA