1-(3,4-Dihydro-4-oxo-3-quinazolinylmethyl)-3-(N-ethylanilinoacetyl)urea tetrahydrochloride 70395-27-6 Urea, 1-(3,4-dihydro-4-oxo-3-quinazolinylmethyl)-3-(N-ethylanilinoacetyl)-, tetrahydrochloride