Synonyms: 1-(3,4-Dihydro-4-oxo-3-quinazolinylmethyl)-3-(1,3-dioxo-2-isoindolinylacetyl)urea 4HCl;Urea, 1-(3,4-dihydro-4-oxo-3-quinazolinylmethyl)-3-(1,3-dioxo-2-isoindolinylacetyl)-, tetrahydrochloride;AC1MHM31;LS-159856;2-(1,3-dioxoisoindol-2-yl)-N-[(4-oxoquinazolin-3-yl)methylcarbamoyl]acetamide tetrahydrochloride;70395-24-3