ALLOXAN HYDRATE5-Oxobarbituric acidMesoxalylureapyrimidine-2,4,5,6(1H,3H)-tetraoneAlloxan5,6-dioxouracil5-oxobarbituric acidalloxanMesoxalylurea2,4,5,6(1H,3H)-PyrimidinetetroneNSC 71692,4,5,6-TetraoxohexahydropyrimidinePyrimidinetetroneAlloxane2,4,5,6-pyrimidinetetroneMesoxalylcarbamide