Barbituric acid67-52-7100 % similar Thiobarbituric acid504-17-648 % similar 1-Methyl-2,4,6(1H,3H,5H)-pyrimidinetrione2565-47-143 % similar 2-Methyl-4,6-pyrimidinedione40497-30-143 % similar Violuric acid87-39-842 % similar N-(1,4,5,6-Tetrahydro-4,6-dioxo-2-pyrimidinyl)cyanamide55067-10-239 % similar Malonic dihydrazide3815-86-939 % similar Alloxantin76-24-438 % similar 1-Methylhydantoin616-04-638 % similar 1-Aminohydantoin6301-02-638 % similar Glutarimide1121-89-737 % similar 2,4,5,6(1H,3H)-Pyrimidinetetrone, hydrate (1:1)2244-11-337 % similar Thiazolidinedione2295-31-037 % similar 5,5-Dibromo-2,4,6(1H,3H,5H)-pyrimidinetrione511-67-137 % similar N-Methylacetoacetamide20306-75-634 % similar 1-Aminohydantoin hydrochloride2827-56-734 % similar 4,4-Dimethyl-2,6-piperidinedione1123-40-632 % similar 2,5-Diketopiperazine106-57-032 % similar Dexrazoxane24584-09-632 % similar Azaspirodecanedione1075-89-431 % similar