1-Nitroso-5,6-dihydrouracil 16813-36-8 2,4(1H,3H)-Pyrimidinedione, dihydro-1-nitroso- 2,4(1H,3H)-Pyrimidinedione, dihydro-1-nitroso- (9CI) 5-24-05-00276 (Beilstein Handbook Reference) BRN 0779636 CCRIS 1563 Hydrouracil, 1-nitroso- NDHU NO-Dhu NSC 90999 Uracil, 5,6-dihydro-1-nitroso-