2-Methyl-4,6-pyrimidinedione40497-30-1100 % similar Barbituric acid67-52-743 % similar 1-Methyl-2,4,6(1H,3H,5H)-pyrimidinetrione2565-47-140 % similar Glutarimide1121-89-739 % similar 4,4-Dimethyl-2,6-piperidinedione1123-40-638 % similar N-Methylacetoacetamide20306-75-636 % similar 1-Methylhydantoin616-04-635 % similar Bemegride64-65-334 % similar Azaspirodecanedione1075-89-433 % similar Thiobarbituric acid504-17-633 % similar 3-Azaspiro[5.5]undecane-2,4-dione1130-32-132 % similar 3-Methyl-2-pyrazolin-5-one108-26-932 % similar Acetoacetanilide102-01-232 % similar 1-Aminohydantoin6301-02-631 % similar O-Acetoacetotoluidide93-68-531 % similar Thiazolidinedione2295-31-030 % similar Dexrazoxane24584-09-630 % similar