Synonyms: 2,4,6(1H,3H,5H)-Pyrimidinetrione,5-(2-cyclopenten-1-yl)-5-(2-propenyl)-, monosodium salt (9CI); Barbituric acid,5-allyl-5-(2-cyclopenten-1-yl)-, sodium deriv. (6CI); Barbituric acid,5-allyl-5-(2-cyclopenten-1-yl)-, sodium salt (8CI);5-Allyl-5-(2-cyclopenten-1-yl)barbituric acid sodium salt; Cyclopal sodium; Cyclopentobarbitalsodium; Sodium cyclopal; Sodium cyclopentobarbital