2,4,6(1H,3H,5H)-Pyrimidinetrione, 5,5'-(2-pentene-1,5-diylidene)bis(1,3-dimethyl- 2,4,6-(1H,3H,5H)-Pyrimidinetrione, 1,3-dimethyl-5,5'-(2-pentene-1,5-diylidene)bis- 5,5'-(Pent-2-ene-1,5-diylidene)bis(1,3-dimethylbarbituric) acid 68758-89-4 EINECS 272-163-8