1-(3,4-Dihydro-4-oxo-3-quinazolinylmethyl)-3-(4-phenylpiperidinoacetyl)urea 4HCl 70395-23-2 Urea, 1-(3,4-dihydro-4-oxo-3-quinazolinylmethyl)-3-(4-phenylpiperidinoacetyl)-, tetrahydrochloride