5-Pyrimidineacetaldehyde, .alpha.-(1-formyl-2-hydroxyethoxy)-1,2,3,4-tetrahydro-2,4-dioxo- 5-Pyrimidineacetaldehyde, .alpha.-(1-formyl-2-hydroxyethoxy)-1,2,3,4-tetrahydro-2,4-dioxo-, [S-(R*,S*)]- 86762-35-8 NSC291643 Pyrimidineacetaldehyde derivative