1-(3,4-Dihydro-4-oxo-3-quinazolinylmethyl)-3-(1-pyrrolidinylacetyl)urea tetrahydrochloride 70395-20-9 Urea, 1-(3,4-dihydro-4-oxo-3-quinazolinylmethyl)-3-(1-pyrrolidinylacetyl)-, tetrahydrochloride