1,3-Bis(2-isothioureidomethyl)-5-ethyl-5-phenylbarbituric acid dihydrobromide 1,3-Bis(2-isothioureidomethyl)phenobarbital dihydrobromide 50309-47-2 BARBITURIC ACID, 1,3-BIS(2-ISOTHIOUREIDOMETHYL)-5-ETHYL-5-PHENYL-, 2HBr Barbituric acid, 1,3-bis(2-isothioureidomethyl)-5-ethyl-5-phenyl-, dihydrobromide