2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(2-cyclopenten-1-yl)-1-methyl-5-(2-propenyl)- 4-24-00-02064 (Beilstein Handbook Reference) 5-Allyl-5-(2-cyclopentenyl)-1-methylbarbituric acid 64810-92-0 BARBITURIC ACID, 5-ALLYL-5-(2-CYCLOPENTENYL)-1-METHYL- BRN 0257117 Methylcyclopal N-Methylcyclopentobarbital