Thiazolidinedione2295-31-0100 % similar Rhodanine141-84-448 % similar Barbituric acid67-52-737 % similar 1-Methylhydantoin616-04-634 % similar Glutarimide1121-89-733 % similar 2-Methyl-4,6-pyrimidinedione40497-30-130 % similar 1-Aminohydantoin6301-02-630 % similar