1,3-Bis(N-phenyl-2-isothioureidomethyl)-5-ethyl-5-phenylbarbituric acid dihydrobromide 50309-48-3 Carbamimidothioic acid, phenyl-, (5-ethyldihydro-2,4,6-trioxo-5-phenyl-1,3(2H,4H)-pyrimidinediyl)bis(methylene)ester, dihydrobromide