2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(3-phenyl-2-propenylidene)- (9CI) 2,4,6(1H,3H,5H)Pyrimidinetrione, 5-cinnamylidene- 23450-49-9 5-24-09-00346 (Beilstein Handbook Reference) 5-Cinnamylidenebarbituric acid AI3-60214 BARBITURIC ACID, 5-CINNAMYLIDENE- BRN 0208961 Meterocycle NSC 93958