Synonyms: 4,6(1H,5H)-Pyrimidinedione,5-[2-(dimethylamino)ethyl]dihydro-5-(3-hydroxyphenyl)-2-thioxo-,monohydrochloride (9CI); Barbituric acid,5-[2-(dimethylamino)ethyl]-5-(m-hydroxyphenyl)-2-thio-, hydrochloride (7CI);Barbituric acid, 5-[2-(dimethylamino)ethyl]-5-(m-hydroxyphenyl)-2-thio-, monohydrochloride(8CI); 5-(2-Dimethylaminoethyl)-5-m-hydroxyphenyl-2-thiobarbituric acidhydrochloride