18161-97-2 5-24-06-00084 (Beilstein Handbook Reference) BRN 0713913 NSC 91686 Pyrimidine-1,3-diacetaldehyde, 1,2,3,4-tetrahydro-2,4-dioxo-, disemicarbazone Uracil-yl-1,3-diacetaldehyde-disemicarbazone