Uracilpyrimidine-2,4(1H,3H)-dione2,4(1H,3H)-嘧啶二酮尿嘧啶2,4-二羟基嘧啶Uracil2,4-Pyrimidinediol2,4-Dihydroxypyrimidine灭胞素2,4(1H,3H)-pyrimidinedionePyrimidine-2,4(1H,3H)-dione2-oxy-4-oxy pyrimidinePyrimidine-2,4-diol2,4-PyrimidinedioneHybar XNSC 3970Pirod2,4-Dioxopyrimidine4-HydroxyuracilPyrod2,4-PyrimidinedioneURACILUra2,4(1H,3H)-pyrimidinedione2,4-DioxopyrimidineUraciluraciluracilUrazilU