Murexide3051-09-0100 % similar Violuric acid87-39-845 % similar 5-Amino-2,4,6(1H,3H,5H)-pyrimidinetrione118-78-541 % similar 2,4,5,6(1H,3H)-Pyrimidinetetrone, hydrate (1:1)2244-11-341 % similar Alloxan50-71-541 % similar 5-Nitrobarbituric acid480-68-237 % similar