Synonyms: 4,6(1H,5H)-Pyrimidinedione,dihydro-5-(1-methylbutyl)-5-[2-(1-piperidinyl)ethyl]-2-thioxo-,monohydrochloride (9CI); Barbituric acid,5-(1-methylbutyl)-5-(2-piperidinoethyl)-2-thio-, hydrochloride (7CI);Barbituric acid, 5-(1-methylbutyl)-5-(2-piperidinoethyl)-2-thio-,monohydrochloride (8CI)